IT1197552B - Apparecchio per esprimere misure,in particolare per controllare lo stato operativo di una pluralita' di stazioni,costituite da macchine e simili - Google Patents
Apparecchio per esprimere misure,in particolare per controllare lo stato operativo di una pluralita' di stazioni,costituite da macchine e similiInfo
- Publication number
- IT1197552B IT1197552B IT47627/83A IT4762783A IT1197552B IT 1197552 B IT1197552 B IT 1197552B IT 47627/83 A IT47627/83 A IT 47627/83A IT 4762783 A IT4762783 A IT 4762783A IT 1197552 B IT1197552 B IT 1197552B
- Authority
- IT
- Italy
- Prior art keywords
- stations
- machines
- constituted
- similar
- control
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/22—Static coding
- H03M11/24—Static coding using analogue means, e.g. by coding the states of multiple switches into a single multi-level analogue signal or by indicating the type of a device using the voltage level at a specific tap of a resistive divider
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
-
- 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
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08202706A GB2114341B (en) | 1982-01-30 | 1982-01-30 | Monitoring system |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8347627A0 IT8347627A0 (it) | 1983-01-28 |
IT1197552B true IT1197552B (it) | 1988-12-06 |
Family
ID=10527999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT47627/83A IT1197552B (it) | 1982-01-30 | 1983-01-28 | Apparecchio per esprimere misure,in particolare per controllare lo stato operativo di una pluralita' di stazioni,costituite da macchine e simili |
Country Status (6)
Country | Link |
---|---|
US (1) | US4580138A (it) |
CH (1) | CH661137A5 (it) |
DE (1) | DE3300964A1 (it) |
FR (1) | FR2520878B1 (it) |
GB (1) | GB2114341B (it) |
IT (1) | IT1197552B (it) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8500203A (nl) * | 1985-01-25 | 1986-08-18 | Ericsson Paging Systems | Afstandsbedieningsstelsel. |
US4652876A (en) * | 1985-09-03 | 1987-03-24 | Mobil Oil Corporation | Remote switch position determination using constant current signaling |
US4695840A (en) * | 1985-09-03 | 1987-09-22 | Mobil Oil Corporation | Remote switch position determination using duty cycle modulation |
US5166678A (en) * | 1987-08-11 | 1992-11-24 | Rosemount Inc. | Dual master implied token communication system |
US4884070A (en) * | 1988-04-04 | 1989-11-28 | California Institute Of Technology | Method and apparatus for multiplexing switch signals |
US4939511A (en) * | 1988-12-27 | 1990-07-03 | Grumman Aerospace Corporation | DC bus for discrete signals |
DE8909649U1 (it) * | 1989-08-11 | 1990-12-06 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De | |
US5146172A (en) * | 1990-08-15 | 1992-09-08 | Sundstrand Corp. | Engine identification system |
US5619196A (en) | 1995-12-28 | 1997-04-08 | Universal Electronics Inc. | Single wire keyboard encode and decode circuit |
US6577250B1 (en) * | 2000-05-19 | 2003-06-10 | Microsoft Corporation | Resistance based keyboard key discrimination |
DE10044087A1 (de) * | 2000-09-07 | 2002-04-04 | Bosch Gmbh Robert | Vorrichtung zur Aktivierung eines Steuergeräts |
DE10052908C1 (de) * | 2000-10-25 | 2002-08-29 | Siemens Ag | Verfahren und Vorrichtung zum Erkennen der Schaltstellung einer Mehrzahl von mit einem gemeinsamen Eingang einer Elektronikeinheit verbundenen Schaltern |
US6813524B2 (en) * | 2001-08-06 | 2004-11-02 | Emerson Electric Co. | Appliance control system with auxiliary inputs |
FR2897968B1 (fr) | 2006-02-24 | 2008-11-21 | Airbus France Sas | Systeme de detection d'incendie et aeronef equipe d'un tel systeme |
DE102007010591B4 (de) * | 2007-03-05 | 2011-06-22 | Texas Instruments Deutschland GmbH, 85356 | Schalterzustandsdetektor |
US20100066567A1 (en) * | 2008-09-18 | 2010-03-18 | Microsoft Corporation | Resistive switch matrix |
US10502786B2 (en) * | 2016-11-18 | 2019-12-10 | GM Global Technology Operations LLC | Vehicle including multiple analog switch monitoring system with simultaneous switch-state detection |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3599091A (en) * | 1969-10-24 | 1971-08-10 | Computer Synectics Inc | System utilization monitor for computer equipment |
US3922490A (en) * | 1973-06-18 | 1975-11-25 | Charles D Pettis | Alarm and utility meter reading system employing telephone lines |
US4050062A (en) * | 1975-08-14 | 1977-09-20 | The United States Of America As Represented Bythe Secretary Of The Air Force | System for digitizing and interfacing analog data for a digital computer |
US4118700A (en) * | 1977-05-31 | 1978-10-03 | Rca Corporation | Single wire transmission of multiple switch operations |
JPS553238A (en) * | 1978-06-22 | 1980-01-11 | Nippon Gakki Seizo Kk | Reception frequency display system |
DE2935335C2 (de) * | 1979-08-31 | 1985-08-08 | Siemens AG, 1000 Berlin und 8000 München | Gleichstrommeldeanlage |
GB2095932B (en) * | 1981-03-28 | 1984-05-31 | Ferranti Ltd | Line disturbance monitor |
-
1982
- 1982-01-30 GB GB08202706A patent/GB2114341B/en not_active Expired
-
1983
- 1983-01-10 US US06/456,694 patent/US4580138A/en not_active Expired - Fee Related
- 1983-01-11 CH CH128/83A patent/CH661137A5/de not_active IP Right Cessation
- 1983-01-13 DE DE19833300964 patent/DE3300964A1/de not_active Withdrawn
- 1983-01-28 FR FR8301312A patent/FR2520878B1/fr not_active Expired
- 1983-01-28 IT IT47627/83A patent/IT1197552B/it active
Also Published As
Publication number | Publication date |
---|---|
GB2114341B (en) | 1985-04-11 |
CH661137A5 (de) | 1987-06-30 |
US4580138A (en) | 1986-04-01 |
FR2520878A1 (fr) | 1983-08-05 |
FR2520878B1 (fr) | 1986-10-03 |
GB2114341A (en) | 1983-08-17 |
DE3300964A1 (de) | 1983-08-11 |
IT8347627A0 (it) | 1983-01-28 |
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