JPS55117971A - Level indication circuit - Google Patents
Level indication circuitInfo
- Publication number
- JPS55117971A JPS55117971A JP2525279A JP2525279A JPS55117971A JP S55117971 A JPS55117971 A JP S55117971A JP 2525279 A JP2525279 A JP 2525279A JP 2525279 A JP2525279 A JP 2525279A JP S55117971 A JPS55117971 A JP S55117971A
- Authority
- JP
- Japan
- Prior art keywords
- transistors
- level
- input signal
- supplied
- power source
- 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.)
- Granted
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
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
- G01R19/1658—AC voltage or recurrent signals
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Amplifiers (AREA)
- Measurement Of Current Or Voltage (AREA)
- Circuits Of Receivers In General (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2525279A JPS55117971A (en) | 1979-03-05 | 1979-03-05 | Level indication circuit |
US06/126,383 US4309656A (en) | 1979-03-05 | 1980-03-03 | Level indicating circuit |
CA346,941A CA1129967A (en) | 1979-03-05 | 1980-03-04 | Level indicating circuit |
GB8007349A GB2045951B (en) | 1979-03-05 | 1980-03-04 | Signal level indicating circuits |
AU56118/80A AU529957B2 (en) | 1979-03-05 | 1980-03-04 | Receiver signal strenght indication |
FR8004958A FR2451035A1 (fr) | 1979-03-05 | 1980-03-05 | Circuit indicateur de niveau |
NL8001331A NL191684C (nl) | 1979-03-05 | 1980-03-05 | Schakeling voor het aan een aanwijsinrichting toevoeren van een het niveau van een te meten signaal representerend signaal. |
DE19803008469 DE3008469A1 (de) | 1979-03-05 | 1980-03-05 | Schaltungsanordnung zur abgabe eines fuer die groesse eines eingangssignals kennzeichnenden signals an eine anzeigeeinrichtung |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2525279A JPS55117971A (en) | 1979-03-05 | 1979-03-05 | Level indication circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55117971A true JPS55117971A (en) | 1980-09-10 |
JPH045949B2 JPH045949B2 (ja) | 1992-02-04 |
Family
ID=12160798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2525279A Granted JPS55117971A (en) | 1979-03-05 | 1979-03-05 | Level indication circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4309656A (ja) |
JP (1) | JPS55117971A (ja) |
AU (1) | AU529957B2 (ja) |
CA (1) | CA1129967A (ja) |
DE (1) | DE3008469A1 (ja) |
FR (1) | FR2451035A1 (ja) |
GB (1) | GB2045951B (ja) |
NL (1) | NL191684C (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2145890B (en) * | 1983-09-01 | 1987-05-20 | Plessey Co Plc | Signal strength detector |
JPS623536A (ja) * | 1985-06-29 | 1987-01-09 | Oki Electric Ind Co Ltd | 移動体データ通信の良否判定装置 |
FI89110C (fi) * | 1991-09-19 | 1993-08-10 | Nokia Mobile Phones Ltd | Effektdetektor |
EP0822392A1 (en) * | 1996-07-30 | 1998-02-04 | STMicroelectronics S.r.l. | Circuit for ratiometric processing and driving |
WO1999044283A2 (en) | 1998-02-26 | 1999-09-02 | Koninklijke Philips Electronics N.V. | A device for generating an ac amplitude-dependent indicator |
JP2002151966A (ja) * | 2000-11-14 | 2002-05-24 | Pioneer Electronic Corp | アイソレータ回路 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4711275U (ja) * | 1971-03-05 | 1972-10-11 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3668426A (en) * | 1969-07-23 | 1972-06-06 | Dresser Ind | Differential pulse height discriminator |
FR2070200B1 (ja) * | 1969-12-01 | 1973-02-02 | Polska Akademia Unipan | |
US3879662A (en) * | 1974-06-18 | 1975-04-22 | Us Army | Differential amplifier sliding reference |
JPS54111201A (en) * | 1978-02-20 | 1979-08-31 | Nec Corp | Signal processing circuit |
-
1979
- 1979-03-05 JP JP2525279A patent/JPS55117971A/ja active Granted
-
1980
- 1980-03-03 US US06/126,383 patent/US4309656A/en not_active Expired - Lifetime
- 1980-03-04 GB GB8007349A patent/GB2045951B/en not_active Expired
- 1980-03-04 AU AU56118/80A patent/AU529957B2/en not_active Expired
- 1980-03-04 CA CA346,941A patent/CA1129967A/en not_active Expired
- 1980-03-05 DE DE19803008469 patent/DE3008469A1/de active Granted
- 1980-03-05 FR FR8004958A patent/FR2451035A1/fr active Granted
- 1980-03-05 NL NL8001331A patent/NL191684C/xx not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4711275U (ja) * | 1971-03-05 | 1972-10-11 |
Also Published As
Publication number | Publication date |
---|---|
NL191684C (nl) | 1996-02-05 |
NL191684B (nl) | 1995-10-02 |
JPH045949B2 (ja) | 1992-02-04 |
CA1129967A (en) | 1982-08-17 |
FR2451035B1 (ja) | 1984-05-18 |
AU529957B2 (en) | 1983-06-30 |
GB2045951B (en) | 1982-12-15 |
NL8001331A (nl) | 1980-09-09 |
US4309656A (en) | 1982-01-05 |
FR2451035A1 (fr) | 1980-10-03 |
DE3008469C2 (ja) | 1988-06-23 |
DE3008469A1 (de) | 1980-09-18 |
AU5611880A (en) | 1980-09-11 |
GB2045951A (en) | 1980-11-05 |
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