IT977604B - Selettore a tasti per dispositivo di segnalazione ad unita multiple - Google Patents

Selettore a tasti per dispositivo di segnalazione ad unita multiple

Info

Publication number: IT977604B
Authority: IT; Italy
Prior art keywords: signaling device; multiple unit; key selector; unit signaling; selector
Prior art date: 1972-01-18

Application number

IT67049/73A

Other languages

English (en)

Original Assignee

Western Electric Co

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.)

1972-01-18

Filing date

1973-01-15

Publication date

1974-09-20

1973-01-15 Application filed by Western Electric Co filed Critical Western Electric Co

1974-09-20 Application granted granted Critical

1974-09-20 Publication of IT977604B publication Critical patent/IT977604B/it

Links

230000011664 signaling Effects 0.000 title 1

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
- H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/43—Electric condenser making
- Y10T29/435—Solid dielectric type

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Electronic Switches (AREA)
Input From Keyboards Or The Like (AREA)
Telephone Set Structure (AREA)
Push-Button Switches (AREA)

IT67049/73A 1972-01-18 1973-01-15 Selettore a tasti per dispositivo di segnalazione ad unita multiple IT977604B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US21872672A	1972-01-18	1972-01-18

Publications (1)

Publication Number	Publication Date
IT977604B true IT977604B (it)	1974-09-20

Family

ID=22816258

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT67049/73A IT977604B (it)	1972-01-18	1973-01-15	Selettore a tasti per dispositivo di segnalazione ad unita multiple

Country Status (12)

Country	Link
US (1)	US3750149A (it)
JP (1)	JPS5235568B2 (it)
BE (1)	BE794109A (it)
CA (1)	CA929673A (it)
CH (1)	CH552276A (it)
DE (1)	DE2301451C3 (it)
ES (1)	ES410982A1 (it)
FR (1)	FR2180646B1 (it)
GB (1)	GB1414691A (it)
IT (1)	IT977604B (it)
NL (1)	NL7300680A (it)
SE (1)	SE376495B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4529967A (en) *	1982-07-15	1985-07-16	Gifft Thomas H	Non contacting inductive keyboard
US4561002A (en) *	1982-08-30	1985-12-24	General Electric Company	Capacitive touch switch arrangement
DE3236098A1 (de) *	1982-09-29	1984-03-29	Siemens AG, 1000 Berlin und 8000 München	Druckwandleranordnung, insbesondere fuer industrieroboter
US4736076A (en) *	1986-03-27	1988-04-05	Brother Kogyo Kabushiki Kaisha	Capacitance switching device for keyboard
US5835027A (en) *	1996-11-07	1998-11-10	Tyburski; Robert M.	Residual charge effect traffic sensor
US20060097992A1 (en) *	2004-10-25	2006-05-11	Motorola, Inc.	Apparatus and method of determining a user selection in a user interface
CN100511532C (zh) *	2005-04-13	2009-07-08	摩托罗拉公司	电容器组合与包括该电容器组合的通信设备
US20130027343A1 (en)	2011-07-29	2013-01-31	Analog Devices, Inc.	Position determination techniques in resistive touch screen applications
US9152287B2 (en)	2010-08-05	2015-10-06	Analog Devices, Inc.	System and method for dual-touch gesture classification in resistive touch screens
CA3071758C (en)	2019-02-07	2025-05-13	1004335 Ontario Inc.	TWO-POINT TOUCH DETECTION METHODS WITH TOUCH RESISTANCE SENSOR AND RELATED DEVICES AND SYSTEMS

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3653038A (en) *	1970-02-20	1972-03-28	United Bank Of Denver National	Capacitive electric signal device and keyboard using said device
US3668698A (en) *	1970-12-17	1972-06-06	Northern Electric Co	Capacitive transducer

0
- BE BE794109D patent/BE794109A/xx not_active IP Right Cessation
1972
- 1972-01-18 US US00218726A patent/US3750149A/en not_active Expired - Lifetime
- 1972-08-09 CA CA149010A patent/CA929673A/en not_active Expired
1973
- 1973-01-10 SE SE7300297A patent/SE376495B/xx unknown
- 1973-01-12 DE DE2301451A patent/DE2301451C3/de not_active Expired
- 1973-01-15 IT IT67049/73A patent/IT977604B/it active
- 1973-01-16 GB GB218173A patent/GB1414691A/en not_active Expired
- 1973-01-17 FR FR7301637A patent/FR2180646B1/fr not_active Expired
- 1973-01-17 NL NL7300680A patent/NL7300680A/xx unknown
- 1973-01-18 ES ES410982A patent/ES410982A1/es not_active Expired
- 1973-01-18 JP JP48007474A patent/JPS5235568B2/ja not_active Expired
- 1973-01-18 CH CH71573A patent/CH552276A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES410982A1 (es)	1975-12-01
US3750149A (en)	1973-07-31
DE2301451A1 (de)	1973-08-02
SE376495B (it)	1975-05-26
GB1414691A (en)	1975-11-19
DE2301451C3 (de)	1975-10-23
CA929673A (en)	1973-07-03
JPS4883734A (it)	1973-11-08
JPS5235568B2 (it)	1977-09-09
DE2301451B2 (de)	1975-03-06
NL7300680A (it)	1973-07-20
FR2180646A1 (it)	1973-11-30
CH552276A (de)	1974-07-31
BE794109A (fr)	1973-05-16
FR2180646B1 (it)	1977-09-02

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