BR7301171D0 - Um detector de nivel de tensao - Google Patents
Um detector de nivel de tensaoInfo
- Publication number
- BR7301171D0 BR7301171D0 BR731171A BR117173A BR7301171D0 BR 7301171 D0 BR7301171 D0 BR 7301171D0 BR 731171 A BR731171 A BR 731171A BR 117173 A BR117173 A BR 117173A BR 7301171 D0 BR7301171 D0 BR 7301171D0
- Authority
- BR
- Brazil
- Prior art keywords
- voltage level
- level detector
- detector
- voltage
- level
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
- G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
- G01P1/103—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds by comparing the value of the measured signal with one or several reference values
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
-
- 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
- H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22758572A | 1972-02-18 | 1972-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7301171D0 true BR7301171D0 (pt) | 1973-10-09 |
Family
ID=22853680
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR731171A BR7301171D0 (pt) | 1972-02-18 | 1973-02-16 | Um detector de nivel de tensao |
Country Status (11)
Country | Link |
---|---|
US (1) | US3760192A (pt) |
JP (1) | JPS5242394B2 (pt) |
BE (1) | BE795601A (pt) |
BR (1) | BR7301171D0 (pt) |
CA (1) | CA972038A (pt) |
CH (1) | CH579278A5 (pt) |
DE (1) | DE2307629A1 (pt) |
ES (1) | ES411754A1 (pt) |
FR (1) | FR2172381A1 (pt) |
IL (1) | IL41541A (pt) |
IT (1) | IT979192B (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1455253A (en) * | 1972-11-04 | 1976-11-10 | Dunlop Ltd | Signal detection circuit |
US3966148A (en) * | 1975-04-15 | 1976-06-29 | Westinghouse Electric Corporation | Signal threshold responsive apparatus |
JPS586964B2 (ja) * | 1977-03-31 | 1983-02-07 | シャープ株式会社 | 電源制御方式 |
JP4141039B2 (ja) * | 1998-06-10 | 2008-08-27 | 日本信号株式会社 | 閾値演算回路及びこれを用いたandゲート回路、自己保持回路及び起動信号発生回路 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3213294A (en) * | 1961-01-16 | 1965-10-19 | Nippon Electric Co | Signal level discriminator circuit with zener diode interrogated by bipolar pulses and biased by ternary input |
-
0
- BE BE795601D patent/BE795601A/xx unknown
-
1972
- 1972-02-18 US US00227585A patent/US3760192A/en not_active Expired - Lifetime
-
1973
- 1973-02-14 IL IL41541A patent/IL41541A/xx unknown
- 1973-02-14 JP JP48017565A patent/JPS5242394B2/ja not_active Expired
- 1973-02-16 DE DE19732307629 patent/DE2307629A1/de active Pending
- 1973-02-16 FR FR7305616A patent/FR2172381A1/fr not_active Withdrawn
- 1973-02-16 IT IT20488/73A patent/IT979192B/it active
- 1973-02-16 BR BR731171A patent/BR7301171D0/pt unknown
- 1973-02-16 CA CA163,945A patent/CA972038A/en not_active Expired
- 1973-02-16 CH CH223473A patent/CH579278A5/xx not_active IP Right Cessation
- 1973-02-17 ES ES411754A patent/ES411754A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3760192A (en) | 1973-09-18 |
IL41541A (en) | 1975-08-31 |
JPS5242394B2 (pt) | 1977-10-24 |
FR2172381A1 (pt) | 1973-09-28 |
IL41541A0 (en) | 1973-04-30 |
DE2307629A1 (de) | 1973-08-30 |
IT979192B (it) | 1974-09-30 |
JPS4890768A (pt) | 1973-11-27 |
CA972038A (en) | 1975-07-29 |
CH579278A5 (pt) | 1976-08-31 |
BE795601A (fr) | 1973-08-16 |
ES411754A1 (es) | 1976-01-01 |
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