GB1252727A - - Google Patents
Info
- Publication number
- GB1252727A GB1252727A GB1897770A GB1252727DA GB1252727A GB 1252727 A GB1252727 A GB 1252727A GB 1897770 A GB1897770 A GB 1897770A GB 1252727D A GB1252727D A GB 1252727DA GB 1252727 A GB1252727 A GB 1252727A
- Authority
- GB
- United Kingdom
- Prior art keywords
- photo transistor
- light
- flash
- heading
- april
- 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
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
- H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
Landscapes
- Stroboscope Apparatuses (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1897770 | 1970-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1252727A true GB1252727A (enrdf_load_stackoverflow) | 1971-11-10 |
Family
ID=10121694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1897770A Expired GB1252727A (enrdf_load_stackoverflow) | 1970-04-21 | 1970-04-21 |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB1252727A (enrdf_load_stackoverflow) |
| ZA (1) | ZA71824B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803034A1 (de) * | 1988-02-02 | 1989-08-10 | Sick Optik Elektronik Erwin | Photoempfaenger |
| DE102005036937A1 (de) * | 2005-08-05 | 2007-02-15 | Diehl Ako Stiftung & Co. Kg | Auswerteschaltung für einen optischen Empfänger |
-
1970
- 1970-04-21 GB GB1897770A patent/GB1252727A/en not_active Expired
-
1971
- 1971-02-10 ZA ZA710824A patent/ZA71824B/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3803034A1 (de) * | 1988-02-02 | 1989-08-10 | Sick Optik Elektronik Erwin | Photoempfaenger |
| DE102005036937A1 (de) * | 2005-08-05 | 2007-02-15 | Diehl Ako Stiftung & Co. Kg | Auswerteschaltung für einen optischen Empfänger |
| DE102005036937B4 (de) * | 2005-08-05 | 2014-02-13 | Diehl Ako Stiftung & Co. Kg | Auswerteschaltung für einen optischen Empfänger |
Also Published As
| Publication number | Publication date |
|---|---|
| ZA71824B (en) | 1971-11-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1117058A (en) | Improvements in or relating to electronic flash apparatus for use in photography and to light responsive control circuits for use in such apparatus | |
| GB1384594A (en) | Solid-state electronic relay | |
| GB1096297A (en) | Photographic camera | |
| ES334383A1 (es) | Un dispositivo amplificador de inversion que tiene una caracteristica de ganancia que es sustancialmente independiente de las variaciones de temperatura y de corriente de polarizacion. | |
| ES348880A1 (es) | Un dispositivo interruptor de corriente. | |
| GB1304745A (enrdf_load_stackoverflow) | ||
| GB1252727A (enrdf_load_stackoverflow) | ||
| GB989448A (en) | Electrical circuit | |
| GB1190185A (en) | Light Sensitive Circuit Arrangements | |
| GB1335289A (en) | Current sources | |
| GB1268246A (en) | Photographic camera having an electromagnetic exposure control | |
| JPS5335351A (en) | Direct-coupled transistor circuit | |
| GB1040356A (en) | Transistor circuit | |
| SU454684A1 (ru) | Триггер шмитта | |
| JPS5368066A (en) | Semiconductor switch | |
| JPS5368085A (en) | Semiconductor device | |
| GB1233353A (enrdf_load_stackoverflow) | ||
| JPS52102660A (en) | Transistor output circuit | |
| GB1242540A (en) | Static gating circuits | |
| JPS5366145A (en) | Oscillator circuit | |
| JPS53121562A (en) | Mos integrated circuit device | |
| GB1085413A (en) | Improvements to an emitter coupled crystal controlled circuit | |
| JPS5431734A (en) | Electronic shutter | |
| JPS538070A (en) | Semiconductor device | |
| GB1464796A (en) | Transistor pump circuits |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |