FR2018723A1 - - Google Patents
Info
- Publication number
- FR2018723A1 FR2018723A1 FR6931236A FR6931236A FR2018723A1 FR 2018723 A1 FR2018723 A1 FR 2018723A1 FR 6931236 A FR6931236 A FR 6931236A FR 6931236 A FR6931236 A FR 6931236A FR 2018723 A1 FR2018723 A1 FR 2018723A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/28—Systems for automatic generation of focusing signals
- G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
- G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/32—Measuring distances in line of sight; Optical rangefinders by focusing the object, e.g. on a ground glass screen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/483—Details of pulse systems
- G01S7/486—Receivers
- G01S7/489—Gain of receiver varied automatically during pulse-recurrence period
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optics & Photonics (AREA)
- Focusing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1433068A CH482172A (fr) | 1968-09-24 | 1968-09-24 | Télémètre à faisceau lumineux réfléchi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2018723A1 true FR2018723A1 (fr) | 1970-06-26 |
Family
ID=4399879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6931236A Withdrawn FR2018723A1 (fr) | 1968-09-24 | 1969-09-12 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH482172A (fr) |
| DE (1) | DE1947675A1 (fr) |
| FR (1) | FR2018723A1 (fr) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5445127A (en) * | 1977-09-17 | 1979-04-10 | Canon Inc | Focus detector by photo sensor alley |
| JPS54143670A (en) * | 1978-04-28 | 1979-11-09 | Canon Inc | Distance measuring system |
| DE2845850A1 (de) * | 1978-10-20 | 1980-04-24 | Sick Optik Elektronik Erwin | Opto-elektronischer abstandstaster |
| US4300824A (en) * | 1979-11-15 | 1981-11-17 | Canon Inc. | Signal processing circuitry for a distance measuring system |
| FR2538125A1 (fr) * | 1982-12-20 | 1984-06-22 | Enertec | Telemetre de nuages |
| FR2572515B1 (fr) * | 1984-10-25 | 1993-06-18 | Canon Kk | Dispositif de detection de position |
-
1968
- 1968-09-24 CH CH1433068A patent/CH482172A/fr not_active IP Right Cessation
-
1969
- 1969-09-12 FR FR6931236A patent/FR2018723A1/fr not_active Withdrawn
- 1969-09-16 DE DE19691947675 patent/DE1947675A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH482172A (fr) | 1969-11-30 |
| DE1947675A1 (de) | 1970-04-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |