JPS62179601U - - Google Patents
Info
- Publication number
- JPS62179601U JPS62179601U JP1986065266U JP6526686U JPS62179601U JP S62179601 U JPS62179601 U JP S62179601U JP 1986065266 U JP1986065266 U JP 1986065266U JP 6526686 U JP6526686 U JP 6526686U JP S62179601 U JPS62179601 U JP S62179601U
- Authority
- JP
- Japan
- Prior art keywords
- input
- light emitting
- input signal
- circuit
- coupler
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims abstract 2
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/18—Modifications for indicating state of switch
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/167—Circuits for remote indication
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
- Programmable Controllers (AREA)
- Networks Using Active Elements (AREA)
Description
第1図は本考案が適用されたプログラマブル・
コントローラの入力ユニツトにおける1点分の入
力回路の構成を示す回路図、第2A図、第2B図
は本考案の作用を説明する回路図、第3図は入力
回路基板上に発光素子モジユールを取付けた状態
を示す斜視図、第4図は発光素子モジユールの裏
面を示す斜視図、第5図は発光素子モジユールの
表示面の内部構造を示す分解斜視図、第6図は発
光ダイオード対の内部接続図、第7図は従来の入
力回路の一例を示す回路図、第8図は従来の入力
回路の他の一例を示す回路図、第9図は従来回路
の欠点を改良した例を示す回路図である。 7……外部接点、8a……交流電源、8b……
直流電源、9……双方向入力型フオトカプラ、1
0……波形整形回路、11……双方向入力型発光
素子、12……発光素子モジユール、1211…
…基板、1212……発光ダイオード対、121
2a,1212b……発光ダイオードチツプ、1
214……スペーサ板、1213……窓、121
5……光拡散膜。
コントローラの入力ユニツトにおける1点分の入
力回路の構成を示す回路図、第2A図、第2B図
は本考案の作用を説明する回路図、第3図は入力
回路基板上に発光素子モジユールを取付けた状態
を示す斜視図、第4図は発光素子モジユールの裏
面を示す斜視図、第5図は発光素子モジユールの
表示面の内部構造を示す分解斜視図、第6図は発
光ダイオード対の内部接続図、第7図は従来の入
力回路の一例を示す回路図、第8図は従来の入力
回路の他の一例を示す回路図、第9図は従来回路
の欠点を改良した例を示す回路図である。 7……外部接点、8a……交流電源、8b……
直流電源、9……双方向入力型フオトカプラ、1
0……波形整形回路、11……双方向入力型発光
素子、12……発光素子モジユール、1211…
…基板、1212……発光ダイオード対、121
2a,1212b……発光ダイオードチツプ、1
214……スペーサ板、1213……窓、121
5……光拡散膜。
Claims (1)
- 【実用新案登録請求の範囲】 (1) 外部から与えられる入力信号を、アイソレ
ーシヨン用フオトカプラを介して内部に取込むよ
うにした入力回路において、 前記フオトカプラとして双方向入力型の素子を
使用し、かつその入力側には双方向入力型の発光
素子を直列接続することを特徴とする入力回路。 (2) 前記発光素子は、互いに近接配置された一
対の発光ダイオードチツプを電気的に逆並列接続
し、その上を光拡散膜で覆つてなることを特徴と
する実用新案登録請求の範囲第1項に記載の入力
回路。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986065266U JPS62179601U (ja) | 1986-04-30 | 1986-04-30 | |
US07/042,736 US4873448A (en) | 1986-04-30 | 1987-04-27 | Input circuit having a photo-coupler with bi-directional indicator |
DE8787106320T DE3776393D1 (de) | 1986-04-30 | 1987-04-30 | Eingangsschaltung mit einem photokoppler. |
AT87106320T ATE72365T1 (de) | 1986-04-30 | 1987-04-30 | Eingangsschaltung mit einem photokoppler. |
KR1019870004208A KR900003205B1 (ko) | 1986-04-30 | 1987-04-30 | 입력 회로 |
EP87106320A EP0243978B1 (en) | 1986-04-30 | 1987-04-30 | Input circuit having a photo-coupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1986065266U JPS62179601U (ja) | 1986-04-30 | 1986-04-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62179601U true JPS62179601U (ja) | 1987-11-14 |
Family
ID=13281943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1986065266U Pending JPS62179601U (ja) | 1986-04-30 | 1986-04-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US4873448A (ja) |
EP (1) | EP0243978B1 (ja) |
JP (1) | JPS62179601U (ja) |
KR (1) | KR900003205B1 (ja) |
AT (1) | ATE72365T1 (ja) |
DE (1) | DE3776393D1 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04365382A (ja) * | 1991-06-13 | 1992-12-17 | Toshiba Corp | 半導体発光装置及びその駆動方法 |
US5225687A (en) * | 1992-01-27 | 1993-07-06 | Jason Barry L | Output circuit with optically coupled control signals |
US5448076A (en) * | 1993-09-30 | 1995-09-05 | Siemens Components, Inc. | Optically-coupled differential line driver generating an optical signal having at least three states |
US5909660A (en) * | 1994-10-13 | 1999-06-01 | National Instruments Corporation | Signal conditioning module for sensing multiform field voltage signals |
IT1274465B (it) * | 1995-05-10 | 1997-07-17 | Bticino Spa | Sistema di collegamento tra dispositivi elettrici modulari atto a trasferire segnali ottici in isolamento elettrico |
ES2218589T3 (es) | 1995-06-06 | 2004-11-16 | Optobionics Corporation | Implante retinal de microfotodiodo multifasico. |
US5895415A (en) * | 1995-06-06 | 1999-04-20 | Optobionics Corporation | Multi-phasic microphotodiode retinal implant and adaptive imaging retinal stimulation system |
US5837995A (en) | 1996-11-25 | 1998-11-17 | Alan Y. Chow | Wavelength-controllable voltage-phase photodiode optoelectronic switch ("opsistor") |
US5925888A (en) * | 1997-05-08 | 1999-07-20 | Paragon Electric Company, Inc. | Optocoupler input expansion circuit |
US6389317B1 (en) * | 2000-03-31 | 2002-05-14 | Optobionics Corporation | Multi-phasic microphotodetector retinal implant with variable voltage and current capability |
US6427087B1 (en) * | 2000-05-04 | 2002-07-30 | Optobionics Corporation | Artificial retina device with stimulating and ground return electrodes disposed on opposite sides of the neuroretina and method of attachment |
US6574022B2 (en) | 2001-03-19 | 2003-06-03 | Alan Y. Chow | Integral differential optical signal receiver |
US7037943B2 (en) | 2001-04-10 | 2006-05-02 | Optobionics Corporation | Retinal treatment method |
US20050004625A1 (en) * | 2001-06-29 | 2005-01-06 | Chow Alan Y. | Treatment of degenerative retinal disease via electrical stimulation of surface structures |
US20050033202A1 (en) * | 2001-06-29 | 2005-02-10 | Chow Alan Y. | Mechanically activated objects for treatment of degenerative retinal disease |
US7031776B2 (en) * | 2001-06-29 | 2006-04-18 | Optobionics | Methods for improving damaged retinal cell function |
JP3763471B2 (ja) * | 2002-07-05 | 2006-04-05 | 三菱電機株式会社 | プログラマブルコントローラ |
JP4362046B2 (ja) * | 2003-07-15 | 2009-11-11 | アバゴ・テクノロジーズ・イーシービーユー・アイピー(シンガポール)プライベート・リミテッド | 線形性を改善したフォトカプラ装置 |
JP2011108036A (ja) * | 2009-11-18 | 2011-06-02 | Panasonic Electric Works Co Ltd | デジタル入力回路 |
TWI489258B (zh) * | 2014-05-16 | 2015-06-21 | Delta Electronics Inc | 具有輸入電壓檢測之電源供應裝置及其操作方法 |
DE102016119496A1 (de) * | 2016-10-13 | 2018-04-19 | HELLA GmbH & Co. KGaA | System zur Erfassung eines Sicherungszustands |
US11867814B1 (en) * | 2022-12-06 | 2024-01-09 | Aeva, Inc. | Techniques for driving a laser diode in a LIDAR system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6240603B2 (ja) * | 1980-09-25 | 1987-08-28 | Hitachi Ltd |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4041331A (en) * | 1974-08-23 | 1977-08-09 | Fmc Corporation | Solid state relay circuit |
US3987401A (en) * | 1974-12-31 | 1976-10-19 | Motorola, Inc. | Indicating system using multicolor light emitting diodes |
US4063121A (en) * | 1976-07-22 | 1977-12-13 | Automation Systems Inc. | Input converter |
US4143287A (en) * | 1977-09-19 | 1979-03-06 | Bell Telephone Laboratories, Incorporated | Photo coupling line isolation circuit |
JPS5943630A (ja) * | 1982-09-02 | 1984-03-10 | Sharp Corp | ソリツドステ−トリレ− |
US4636655A (en) * | 1983-11-11 | 1987-01-13 | Kabushiki Kaisha Toshiba | Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated |
US4612670A (en) * | 1984-05-16 | 1986-09-16 | General Dynamics Corporation | Electro-optical connection between electronic modules |
US4628303A (en) * | 1985-06-05 | 1986-12-09 | System Development Corporation | Visual monitor for electrical signals |
-
1986
- 1986-04-30 JP JP1986065266U patent/JPS62179601U/ja active Pending
-
1987
- 1987-04-27 US US07/042,736 patent/US4873448A/en not_active Expired - Lifetime
- 1987-04-30 AT AT87106320T patent/ATE72365T1/de not_active IP Right Cessation
- 1987-04-30 KR KR1019870004208A patent/KR900003205B1/ko not_active IP Right Cessation
- 1987-04-30 DE DE8787106320T patent/DE3776393D1/de not_active Expired - Lifetime
- 1987-04-30 EP EP87106320A patent/EP0243978B1/en not_active Expired - Lifetime
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6240603B2 (ja) * | 1980-09-25 | 1987-08-28 | Hitachi Ltd |
Also Published As
Publication number | Publication date |
---|---|
ATE72365T1 (de) | 1992-02-15 |
KR900003205B1 (ko) | 1990-05-10 |
US4873448A (en) | 1989-10-10 |
KR870010425A (ko) | 1987-11-30 |
EP0243978B1 (en) | 1992-01-29 |
EP0243978A1 (en) | 1987-11-04 |
DE3776393D1 (de) | 1992-03-12 |
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