BE645276A - - Google Patents
Info
- Publication number
- BE645276A BE645276A BE645276A BE645276A BE645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A BE 645276 A BE645276 A BE 645276A
- Authority
- BE
- Belgium
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06G—ANALOGUE COMPUTERS
- G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
- G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
- G06G7/24—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating logarithmic or exponential functions, e.g. hyperbolic functions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
- G01J1/4214—Photoelectric exposure meters for determining the exposure time in recording or reproducing specially adapted for view-taking apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1963B0071157 DE1239117B (en) | 1963-03-15 | 1963-03-15 | Light meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE645276A true BE645276A (en) | 1964-07-16 |
Family
ID=6976925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE645276A BE645276A (en) | 1963-03-15 | 1964-03-16 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE645276A (en) |
| CH (1) | CH409451A (en) |
| DE (1) | DE1239117B (en) |
| GB (1) | GB1043604A (en) |
| NL (1) | NL6402789A (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE699956C (en) * | 1936-08-26 | 1940-12-10 | Klangfilm G M B H | Measuring device for alternating voltages with rectifier and direct current display device |
| DE750797C (en) * | 1942-08-11 | 1945-01-29 | Photo or cinematographic recording device with preferably automatic adjustment of camera setting members by a photoelectric exposure meter | |
| DE1027902B (en) * | 1954-05-12 | 1958-04-10 | Gossen & Co Gmbh P | Photoelectric light meter |
| FR1235184A (en) * | 1958-09-22 | 1960-07-01 | Agfa Ag | Photo-electric light meter |
| FR1274147A (en) * | 1959-11-25 | 1961-10-20 | Agfa Ag | Photoelectric device for measuring light and method of manufacturing a light receiver |
| DE1144107B (en) * | 1960-09-22 | 1963-02-21 | Agfa Ag | Photographic or cinematographic camera with electrical measuring mechanism |
| GB1224637A (en) * | 1967-07-06 | 1971-03-10 | Kartridg Pak Co | Fastener forming and applying machine |
-
1963
- 1963-03-15 DE DE1963B0071157 patent/DE1239117B/en active Pending
-
1964
- 1964-03-14 CH CH333664A patent/CH409451A/en unknown
- 1964-03-16 NL NL6402789A patent/NL6402789A/xx unknown
- 1964-03-16 GB GB1110864A patent/GB1043604A/en not_active Expired
- 1964-03-16 BE BE645276A patent/BE645276A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6402789A (en) | 1964-09-16 |
| GB1043604A (en) | 1966-09-21 |
| DE1239117B (en) | 1967-04-20 |
| CH409451A (en) | 1966-03-15 |