JPS589384A - Control device for laser beam emission in laser device - Google Patents

Abstract

PURPOSE:To eliminate the unexpected emission of beam due to the erroneous operation of the microprocessor of the control device or uncontrollable operation of a device and to obtain the laser device suitable for medical use by a method wherein the laser beam is emitted only when both the signal sent by a foot switch and the signal sent from the control device are received. CONSTITUTION:A laser oscillator 1 consists of a laser oscillation control shutter 2 and an Nd-YAG laser rod 3, the oscillator 1 is operated by a power supply 4 having an oscillation lamp 5 and a cooler 6. At this point, as the rod 3 oscillates inflared rays and it is invisible, an He-Ne laser rod 7 is prepared, and the output of the rod 7 is supplied to the control device 15 consisting of a microprocessor 16 and an I/O circuit 17. Then, an indicating device 11 consisting of an output indicator 13, an abnormarity indicator 12 and an irradiation data setting circuit 14, and a foot switch 10 are connected to the device 15. Also, an AND gate 18 and a buffer circuit 20 are connected. On the other hand, an irradiation data setting circuit 9 is connected to the device 15, and the rod 3 is oscillated only when the signal sent from the circuit 9 and the signal from the switch 10 are synchronized.

Description

[Detailed description of the invention] Regarding the emission control device of this BAh radar device, especially the medical radar device, ′, iM, -fRR--f ,
In addition, a high degree of safety and reliability is required because the Proso for Rede light is handled directly by the doctor. For this reason, the RADE device! It is responsible for controlling the Ikrog 47, Suyo sillage oscillation, radar irradiation, abnormality detection, etc. However, the microphone four processors may malfunction, run out of control, etc., and this may result in unexpected irradiation of Reledde oscillation, which poses no danger to the human body, and there is no certainty that the safety is 0 points.

Therefore, it is an object of the present invention to provide a radar emission control device for a radar device that prevents radar oscillation irradiation from occurring against the intention of the user of the magnifying radar device.

The present invention will be described in detail below with reference to the drawings.

In FIG. 1, a Rade oscillator 1 includes a Rade oscillation control shaft 2 for controlling the oscillation of Rade light, and a Rade oscillator 1.
is provided. The power supply device 4 is provided with an excitation fan f5 and a cooler I for suppressing a temperature rise due to heat generated by the excitation fan f5. Radero, Do J To L Te N4
- When a YAQ Rade-P is used, a wide infrared light is oscillated from the Rade port, and the Rade light is invisible to the naked eye, so the visible Rade light is used as the guide light. Therefore, for example, H@→·Lederod is used for the guided light oscillation gain 1.

It is connected to the VO circuit 1r of the safety device IFi control device 15, and is connected to the radar oscillator 1's shutter 2, power supply device 4, guide light oscillator 1, and peripheral devices (
(not shown), and if an abnormality is detected, the power supply unit 4
Excitation rung 5t - is configured to turn off.

Irradiation data setting switch circuit 9! It is connected to the microprocessor 16 via the Oki circuit 11t, and is connected to the microprocessor 16 through the Oki circuit 11t.
- Provided for inputting information into the microcomputer 16 in advance. The display device 11 is connected to the I10 circuit 17. This display device 11 is provided with an abnormality indicator 12, an output indicator 13, and an irradiation data indicator 14.

Control device 15! A foot switch 10 is connected to the power circuit 11. Further, this foot switch 10 is connected to the input end of the palm gate 18 as well as the shutter control signal output end of the offshore circuit 17.

The increased output of the AND r-t 18 is connected to the Raded oscillation control shutter 2 of the Raded oscillator 1 via a buffer circuit 20. The Rade oscillator 1, the power supply device 4, and the guide light oscillator 7 are connected to the microprocessor 1 via the I10 circuit 11.
Combined with 6, this microglosse? 16.

In the laser device having the above configuration, the control device 15 operates according to a microgrosse, +16 f logzum. When the irradiation time is set by the irradiation data setting switch 9, the set irradiation time is displayed on the irradiation data display 14.

When the foot switch 10 is pressed once, the micro processor 16 records the number of times the foot switch 10 has been pressed and determines whether the number of times the foot switch 10 has been pressed is an odd number or an even number. For the first time, that is, for an odd number of times,
In this case, the microprocessor 16 operates the guide light oscillator 1 to cause the guide light oscillator 1 to emit guide light. When the radar irradiation position is determined by this guide light, the foot switch 10 is activated for the second time to emit the radar light.
I can get married. The microgross unit 16 outputs a radar emission control signal in response to the second activation of the 7-way switch 10. As a result, the inner input terminal of AND1g becomes high level, and the output of this ANDr gate 18 becomes high level. This ANDff-)2g output line buffer circuit 20
As shown in FIG. 2, the radar oscillation control shutter 2
The shutter drive solenoid 21 is energized to open the shutter 2. For this, it's a red mouth.

The light resonates within the door 3, and the radar light is output.

The output of this radar light is displayed on the output display 13. After ζ of radar irradiation for the specified time 7, Tosui, Chi 1
When 0 is released, the micro sensor 1i generates a command to stop the emission of the guide light and the radar light. For this reason)
The shutter of the I10 circuit 17, the shutter from the data control signal output terminal,
The control signal becomes low level. Therefore, AND dirt 1
When both input terminals of 8 are at a low level, the shutter drive solenoid 21 is deenergized by the output of the decorative gate II, the shutter 2 is closed, and no radar light is generated from the radar port PJ. At this time, the operation of the guide light oscillation circuit 1 is stopped, and the generation of the guide light is stopped. Iku of Rose, Su1#
Even if the microgrocer is operating normally, the microgrocer may malfunction or run out of control. In this case, the shutter control signal may continue to be output even if A, TOS and CH 10 are opened. But D's? -) Since the 7-way switch 10 connected to one input terminal of J II is open, this input terminal becomes low level through the resistor 19, and the output of shim NDr-) 18 becomes high level. Therefore, the radar oscillation control shaft 2 is closed and the radar light does not oscillate, and there is no risk that the radar light will be unexpectedly emitted and undesirably cauterize human tissue.

In the above embodiment, the ANDf-) 18 is used, but the AND gate 18 may not be used and the structure may be configured as shown in FIG. 1113, that is, 7. ) Switch 1- is connected to the solenoid of electromagnetic relay 22, and the first
The iM point 221 is connected to the input terminal C of the control device and is also connected to the +5V power supply via the resistor 24. Control device 1
The signal output terminal Dli of 5 is connected to the solenoid of the electromagnetic relay 23 via the output circuit 2'5. The shutter drive solenoid 21 is connected to the contact of the relay 23 and the second contact of the relay 22.
It is connected to the power supply VCC via a contact 22. According to such a circuit, when the foot switch 10 is open, the relay 22 is deenergized and the first and second contacts 221 and 22° are open, so that the output end of the control device 15 is at a high level. 23 is activated and the contact of this relay 23 is closed, no exciting current flows through the shutter solenoid 21 and the radar emission control shutter 2 does not open.

As described above, according to this invention, 7. Since it is configured so that the radar light is emitted only when it receives both the signal from the control device and the signal from the control device, the radar light may be emitted unexpectedly due to a malfunction or runaway of the microgross or the control device. This improves the safety of the laser device.

In the above embodiment, the laser oscillation is controlled by the Raded oscillation control shutter, but the Raded oscillation may be performed continuously and the Raded emission itself may be controlled by a shutter or a mirror shutter. Furthermore, although a microgrosse is used as the control device, it is also possible to construct a hardware sequence circuit using TTL or the like and use this to control the sillade emission.

The module NDr-) shown in FIG. 2 may be constructed of an IC such as TTL, a transistor, or the like.

[Brief explanation of the drawing]

Fig. II1 is a circuit diagram showing the calculation of f of a radar device using a radar emission control device according to an embodiment of the present invention, Fig. 2 is a circuit diagram of the control section of Fig. FIG. 2 is a circuit diagram of a control section of a radar emission control device according to an embodiment. 1.- Rade oscillator, 2.. Rade oscillation control shaft, j-.. Raderod, I-. Excitation 2 pump, 6-. Cooler, Gu guide optical oscillator, 8-. Safety device, 9. −
Irradiation data setting switch, 10-7 switch, 12
- Abnormality indicator, IJ-output indicator, 14... Irradiation data indicator %J#-... Control device, 16... Microglucesor, 11...! Clean circuit, 18...AMDI
"-t, 21... Sha, ri drive solenoid, 12.2
3...Relay. Applicant's representative Patent attorney Takehiko Suzue No. 1-2 Patent Office stock official Haruki Shimada 1 Indication of case Patent application No. 468 No. 468, October 1982, Title of invention Rade emission control device for radar device 3, Relationship with the case of the person making the amendment Patent applicant (037) Olympus Optical Industry Co., Ltd. 4, Agent 6, Amendment to the procedure to be amended Showa Kei 7. Father-in-law 18th Japan Patent Office Commissioner Shima 1) Haruki Tono 1, Case Indication Special No. 107468/1982 2, Name of invention Radar emission control device for radar device 3, Relationship to the case of person who makes an assistance market Patent applicant (037) Olympus Gengaku Kogyo Co., Ltd. 4, Agent 5, Voluntary amendment 7, Contents of amendment (11m.
trH・-N・
"Laser," he corrected. (2) Delete "Shutter control signal output terminal" on page 4, line 12 to line 13 of the same page. (3) On page 6, line 19 of the same page, the word "runaway" is corrected to "t". (4) In the 5th line of WL on page 7, the word "resistance" is corrected to "resistance."

Claims (1)

[Claims] 1) An operation switch that is selectively activated in response to radar emission and stop, a radar output control shaft that opens and closes to control radar emission and stop, and this radar output control. Open/close side ゛□・B: 2: Nini: ji
:2:::d"y"f:::2: Radar emission of a radar device constituted by a signal of the signal output means and means for driving the radar output control shaft in response to both signals. Control device. 2) A radar emission control device for an O-rad device according to claim 1, which is constituted by ANDr-), which receives the switch and chi signals from the shutter drive means and the signal from the signal output means. 3) A first electromagnetic relay actuated by the switch signal as the shutter driving means, a second electromagnetic relay actuated by the signal from the signal output means, and the first and second electromagnetic relays.
2. The radar output control device for a radar device according to claim 1, further comprising means for supplying a drive signal to the radar output control shaft in response to activation of both electromagnetic relays.