JPS5071377A - - Google Patents
Info
- Publication number
- JPS5071377A JPS5071377A JP49057726A JP5772674A JPS5071377A JP S5071377 A JPS5071377 A JP S5071377A JP 49057726 A JP49057726 A JP 49057726A JP 5772674 A JP5772674 A JP 5772674A JP S5071377 A JPS5071377 A JP S5071377A
- Authority
- JP
- Japan
- 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
Links
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
- G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
- G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J5/00—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner
- H03J5/02—Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings
- H03J5/0209—Discontinuous tuning using an electrical variable impedance element, e.g. a voltage variable reactive diode, by selecting the corresponding analogue value between a set of non preset values
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- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Artificial Intelligence (AREA)
- Toxicology (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electronic Switches (AREA)
- Amplifiers (AREA)
- Light Receiving Elements (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2426973 | 1973-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5071377A true JPS5071377A (en) | 1975-06-13 |
Family
ID=10209066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP49057726A Pending JPS5071377A (en) | 1973-05-22 | 1974-05-22 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS5071377A (en) |
DE (1) | DE2424899A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53102306U (en) * | 1977-01-21 | 1978-08-18 | ||
JP2007110285A (en) * | 2005-10-12 | 2007-04-26 | Dx Antenna Co Ltd | Photoelectric conversion output device |
JP2014236230A (en) * | 2013-05-30 | 2014-12-15 | 日本電信電話株式会社 | Coherent communication optical receiver |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5072439A (en) * | 1990-03-16 | 1991-12-10 | Hughes Aircraft Company | High speed opto-electronic crossbar switch |
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1974
- 1974-05-22 JP JP49057726A patent/JPS5071377A/ja active Pending
- 1974-05-22 DE DE19742424899 patent/DE2424899A1/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53102306U (en) * | 1977-01-21 | 1978-08-18 | ||
JP2007110285A (en) * | 2005-10-12 | 2007-04-26 | Dx Antenna Co Ltd | Photoelectric conversion output device |
JP2014236230A (en) * | 2013-05-30 | 2014-12-15 | 日本電信電話株式会社 | Coherent communication optical receiver |
Also Published As
Publication number | Publication date |
---|---|
DE2424899A1 (en) | 1974-12-12 |