GB1354818A - Photographic camera - Google Patents
Photographic cameraInfo
- Publication number
- GB1354818A GB1354818A GB2350072A GB2350072A GB1354818A GB 1354818 A GB1354818 A GB 1354818A GB 2350072 A GB2350072 A GB 2350072A GB 2350072 A GB2350072 A GB 2350072A GB 1354818 A GB1354818 A GB 1354818A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photographic camera
- heading
- directed
- contained
- exposure time
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
- G03B7/081—Analogue circuits
- G03B7/083—Analogue circuits for control of exposure time
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
- G03B7/26—Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Exposure Control For Cameras (AREA)
- Indication In Cameras, And Counting Of Exposures (AREA)
- Camera Bodies And Camera Details Or Accessories (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
Abstract
1354818 Photographic exposure time control arrangements ASAHI KOGAKU KOGYO KK 18 May 1972 [19 May 1971] 23500/72 Heading G2A The description is identical to that contained in Specification 1354811, the claims being directed to the battery voltage testing arrangement (33-39).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3972271U JPS485741U (en) | 1971-05-19 | 1971-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1354818A true GB1354818A (en) | 1974-06-05 |
Family
ID=12560865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2350072A Expired GB1354818A (en) | 1971-05-19 | 1972-05-18 | Photographic camera |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS485741U (en) |
GB (1) | GB1354818A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4899361U (en) * | 1972-02-24 | 1973-11-22 | ||
JPS51104969A (en) * | 1975-03-13 | 1976-09-17 | Osaka Gas Co Ltd | GASUSUIHANKI |
JP2647032B2 (en) * | 1994-11-10 | 1997-08-27 | 井関農機株式会社 | Rice cooker |
JP2647030B2 (en) * | 1994-11-10 | 1997-08-27 | 井関農機株式会社 | Rice cooker |
JP2647031B2 (en) * | 1994-11-10 | 1997-08-27 | 井関農機株式会社 | Rice cooker |
-
1971
- 1971-05-19 JP JP3972271U patent/JPS485741U/ja active Pending
-
1972
- 1972-05-18 GB GB2350072A patent/GB1354818A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS485741U (en) | 1973-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |