IT950715B - Azionatore ad esempio per testine di tipo capacitivo - Google Patents

Azionatore ad esempio per testine di tipo capacitivo

Info

Publication number: IT950715B
Authority: IT; Italy
Prior art keywords: actuator; capacitive type; type heads; heads; capacitive
Prior art date: 1971-06-17

Application number

IT22327/72A

Other languages

English (en)

Original Assignee

Ibm

Priority date (The priority date 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 date listed.)

1971-06-17

Filing date

1972-03-24

Publication date

1973-06-20

1972-03-24 Application filed by Ibm filed Critical Ibm

1973-06-20 Application granted granted Critical

1973-06-20 Publication of IT950715B publication Critical patent/IT950715B/it

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/12—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in capacitance, i.e. electric circuits therefor

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Push-Button Switches (AREA)
Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Input From Keyboards Or The Like (AREA)

IT22327/72A 1971-06-17 1972-03-24 Azionatore ad esempio per testine di tipo capacitivo IT950715B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US15411271A	1971-06-17	1971-06-17

Publications (1)

Publication Number	Publication Date
IT950715B true IT950715B (it)	1973-06-20

Family

ID=22550048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT22327/72A IT950715B (it)	1971-06-17	1972-03-24	Azionatore ad esempio per testine di tipo capacitivo

Country Status (7)

Country	Link
US (1)	US3693059A (it)
JP (1)	JPS538907B1 (it)
CA (1)	CA958087A (it)
DE (1)	DE2229406C3 (it)
FR (1)	FR2142458A5 (it)
GB (1)	GB1347223A (it)
IT (1)	IT950715B (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4989872A (it) *	1972-12-29	1974-08-28
US3912988A (en) *	1973-01-29	1975-10-14	Fischer & Porter Co	Capacitive detector for an electronic differential pressure transmitter
JPS49111174A (it) *	1973-02-23	1974-10-23
US3965399A (en) *	1974-03-22	1976-06-22	Walker Jr Frank A	Pushbutton capacitive transducer
US3993939A (en) *	1975-01-07	1976-11-23	The Bendix Corporation	Pressure variable capacitor
US4110748A (en) *	1976-04-06	1978-08-29	Burroughs Corporation	Keyswitch with hysteresis
US4047241A (en) *	1976-04-12	1977-09-06	Burroughs Corporation	Capacitive switch
US4095066A (en) *	1976-08-04	1978-06-13	International Business Machines Corporation	Hinged flyplate actuator
US4209819A (en) *	1978-03-13	1980-06-24	Key Tronic Corporation	Capacitive keyswitch
US4288836A (en) *	1979-05-29	1981-09-08	Xerox Corporation	Capacitance controlled keyswitch
DE3018010C2 (de) *	1980-05-10	1985-01-17	Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg	Kapazitiver Taster als elektrischer Signalgeber
US4482932A (en) *	1981-07-30	1984-11-13	Topre Corporation	Keyboard switch
US4417294A (en) *	1981-08-28	1983-11-22	Illinois Tool Works Inc.	Capacitive keyswitch
US4479392A (en) *	1983-01-03	1984-10-30	Illinois Tool Works Inc.	Force transducer
GB8303679D0 (en) *	1983-02-10	1983-03-16	Gould Instr Ltd	Variable control device
JPS61169916U (it) *	1985-04-11	1986-10-21
US6999009B2 (en) *	2001-08-31	2006-02-14	Logitech Europe S.A.	Sensing keys for keyboard
US9130571B2 (en) *	2007-07-11	2015-09-08	Kyocera Corporation	Initializing a capacitive sensing switch for a wireless device
US8416079B2 (en) *	2009-06-02	2013-04-09	3M Innovative Properties Company	Switching radio frequency identification (RFID) tags
US10062025B2 (en)	2012-03-09	2018-08-28	Neology, Inc.	Switchable RFID tag
DE102017216772A1 (de)	2017-09-21	2019-03-21	Continental Automotive Gmbh	Plattenkondensator
JP7530875B2 (ja) *	2021-07-26	2024-08-08	株式会社東海理化電機製作所	プッシュスイッチ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1665616A (en) *	1923-10-26	1928-04-10	Rca Corp	Electrical condenser
US1871048A (en) *	1926-02-01	1932-08-09	Dubilier Condenser Corp	Adjustable condenser
US2036084A (en) *	1933-12-20	1936-03-31	Gen Electric	Coupling
US2109184A (en) *	1937-01-04	1938-02-22	Alois T Sereda	Vehicle signal
US3293640A (en) *	1964-05-22	1966-12-20	Chalfin Albert	Electronic systems keyboard and switch matrix
US3548138A (en) *	1968-07-18	1970-12-15	Bell Telephone Labor Inc	Rolamite pushbutton switch

1971
- 1971-06-17 US US154112A patent/US3693059A/en not_active Expired - Lifetime
1972
- 1972-03-24 IT IT22327/72A patent/IT950715B/it active
- 1972-04-07 JP JP3458572A patent/JPS538907B1/ja active Pending
- 1972-05-17 GB GB2305472A patent/GB1347223A/en not_active Expired
- 1972-06-05 FR FR7221477A patent/FR2142458A5/fr not_active Expired
- 1972-06-08 CA CA144,162A patent/CA958087A/en not_active Expired
- 1972-06-16 DE DE2229406A patent/DE2229406C3/de not_active Expired

Also Published As

Publication number	Publication date
FR2142458A5 (it)	1973-01-26
DE2229406A1 (de)	1973-01-04
GB1347223A (en)	1974-02-27
JPS4810568A (it)	1973-02-09
JPS538907B1 (it)	1978-04-01
DE2229406C3 (de)	1980-01-24
US3693059A (en)	1972-09-19
CA958087A (en)	1974-11-19
DE2229406B2 (it)	1979-05-17

Publication	Publication Date	Title
IT950715B (it)	1973-06-20	Azionatore ad esempio per testine di tipo capacitivo
NL179007C (nl)	1986-06-16	Magnetoresistieve leeskop.
NL179319C (nl)	1986-08-18	Magnetoresistieve leeskop.
CH549361A (de)	1974-05-31	Reinigungs buerstengeraet.
BE788653A (fr)	1973-01-02	Tete de sprinkler
IT938891B (it)	1973-02-10	Ugello di siviera
BE792917A (fr)	1973-04-16	Tete de transduction magnetique
SE383078B (sv)	1976-02-23	Transponder
SE380903B (sv)	1975-11-17	Ferdskrivare
SE351286C (sv)	1979-07-30	Piezoelektrisk gastendare
AR198622A1 (es)	1974-07-15	Actuador
IT971186B (it)	1974-04-30	Trespolo per pappagalli
IT947631B (it)	1973-05-30	Spazzola di durezza regolabile
IT946987B (it)	1973-05-21	Azionatore magnetico di tipo per fezionato particolarmente per martelletti di stampa
IT954866B (it)	1973-09-15	Valvola per dotto deferente
CH557521A (de)	1974-12-31	Kapazitiver geber.
CH540596A (de)	1973-08-15	Drehmelder
BE783486A (fr)	1972-09-01	Tete de puits
BE779892A (fr)	1972-08-25	Tete de balai laveur-essoreur
IT947451B (it)	1973-05-21	Sagoma da disegno o da scrittura
IT955795B (it)	1973-09-29	Disposizione di valvola
IT961896B (it)	1973-12-10	Servocomando rapido per valvola
IT949997B (it)	1973-06-11	Gruppo di stampa per rotocalco indiretto
CH524345A (it)	1972-06-30	Poltrona-letto o divano-letto
NL180552C (nl)	1987-03-02	Magnetoresistieve leeskop.