JPS5298402A - Photo communication apparatus - Google Patents

Photo communication apparatus

Info

Publication number
JPS5298402A
JPS5298402A JP1510576A JP1510576A JPS5298402A JP S5298402 A JPS5298402 A JP S5298402A JP 1510576 A JP1510576 A JP 1510576A JP 1510576 A JP1510576 A JP 1510576A JP S5298402 A JPS5298402 A JP S5298402A
Authority
JP
Japan
Prior art keywords
communication apparatus
photo communication
transmitting
receiving
photo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1510576A
Other languages
Japanese (ja)
Inventor
Kumio Kasahara
Munehiko Nagano
Kenji Tatsumi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP1510576A priority Critical patent/JPS5298402A/en
Publication of JPS5298402A publication Critical patent/JPS5298402A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To simplify check and maintenance of an apparatus by checking easily function of the transmitting and receiving dircuits and detecting easily the troubles on a light MODEM by introducting a part of the transmitting modulating signal in a receiving device.
JP1510576A 1976-02-14 1976-02-14 Photo communication apparatus Pending JPS5298402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1510576A JPS5298402A (en) 1976-02-14 1976-02-14 Photo communication apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1510576A JPS5298402A (en) 1976-02-14 1976-02-14 Photo communication apparatus

Publications (1)

Publication Number Publication Date
JPS5298402A true JPS5298402A (en) 1977-08-18

Family

ID=11879549

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1510576A Pending JPS5298402A (en) 1976-02-14 1976-02-14 Photo communication apparatus

Country Status (1)

Country Link
JP (1) JPS5298402A (en)

Similar Documents

Publication Publication Date Title
FR2352240A1 (en) QUICK ACTING COUPLING DEVICE
FR2479453B1 (en) DETECTOR DEVICE
BE876163A (en) SIGNAL COMBINATION DEVICE
FR2307275A1 (en) OPTOELECTRIC DETECTION DEVICE AND SYSTEM INCLUDING SUCH A DEVICE
BE856396A (en) PROCEDURE AND INSTALLATION FOR STOPPING A CO COMBUSTION DEVICE.
FR2287108A1 (en) OPTOELECTRONIC DEVICE WITH TRANSMITTER AND RECEIVER COUPLES
FR2340654A1 (en) FACSIMILE TRANSMISSION DEVICE
BE859093A (en) SECURITY DEVICE
JPS5327784A (en) Information transmitting device
JPS5345249A (en) Light transmitting device
FR2349822A2 (en) AUTOMATIC WEIGHING DEVICE
BE851486A (en) CONNECTION DEVICE
FR2325919A1 (en) PRESSURE DETECTOR DEVICE
JPS5431202A (en) Serial data transfer circuit
JPS51138107A (en) Signal detection output system
JPS5652947A (en) Signal transmitter and receiver
JPS52104003A (en) Signal transmission apparatus
JPS5421865A (en) Discriminating method for transmission line breaking and device breaking
JPS52130225A (en) Signal transmission unit
FR2445547A1 (en) RINGING DEVICE FOR A DIGITAL PENDULUM
JPS52146511A (en) Self-originating-type information transmitter
JPS53128322A (en) Recording preventive device for reciprocal recording and reproducing apparatus
FR2336277A2 (en) AUTOMATIC SAFETY BELT RELEASE DEVICE ON ALL VEHICLES
JPS52115694A (en) Display element
FR2343193A1 (en) CONNECTION DEVICE