NL8901018A - Electronisch telefoontoestel. - Google Patents

Electronisch telefoontoestel. Download PDF

Info

Publication number
NL8901018A
NL8901018A NL8901018A NL8901018A NL8901018A NL 8901018 A NL8901018 A NL 8901018A NL 8901018 A NL8901018 A NL 8901018A NL 8901018 A NL8901018 A NL 8901018A NL 8901018 A NL8901018 A NL 8901018A
Authority
NL
Netherlands
Prior art keywords
conductors
matrix
telephone set
reading
intersecting
Prior art date
Application number
NL8901018A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips Nv
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Priority to NL8901018A priority Critical patent/NL8901018A/nl
Priority to DE69014970T priority patent/DE69014970T2/de
Priority to EP90200949A priority patent/EP0395141B1/en
Priority to KR1019900005544A priority patent/KR0149861B1/ko
Priority to JP2105512A priority patent/JP2840610B2/ja
Priority to US07/512,696 priority patent/US5101429A/en
Publication of NL8901018A publication Critical patent/NL8901018A/nl
Priority to HK63096A priority patent/HK63096A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Telephone Set Structure (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Mobile Radio Communication Systems (AREA)
NL8901018A 1989-04-24 1989-04-24 Electronisch telefoontoestel. NL8901018A (nl)

Priority Applications (7)

Application Number Priority Date Filing Date Title
NL8901018A NL8901018A (nl) 1989-04-24 1989-04-24 Electronisch telefoontoestel.
DE69014970T DE69014970T2 (de) 1989-04-24 1990-04-18 Elektronischer Fernsprechapparat.
EP90200949A EP0395141B1 (en) 1989-04-24 1990-04-18 Electronic telephone set
KR1019900005544A KR0149861B1 (ko) 1989-04-24 1990-04-20 전자식 전화기 및 전화기용 키보드 수단
JP2105512A JP2840610B2 (ja) 1989-04-24 1990-04-23 電子電話機
US07/512,696 US5101429A (en) 1989-04-24 1990-04-23 Electronic telephone set
HK63096A HK63096A (en) 1989-04-24 1996-04-11 Electronic telephone set

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8901018 1989-04-24
NL8901018A NL8901018A (nl) 1989-04-24 1989-04-24 Electronisch telefoontoestel.

Publications (1)

Publication Number Publication Date
NL8901018A true NL8901018A (nl) 1990-11-16

Family

ID=19854533

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8901018A NL8901018A (nl) 1989-04-24 1989-04-24 Electronisch telefoontoestel.

Country Status (7)

Country Link
US (1) US5101429A (xx)
EP (1) EP0395141B1 (xx)
JP (1) JP2840610B2 (xx)
KR (1) KR0149861B1 (xx)
DE (1) DE69014970T2 (xx)
HK (1) HK63096A (xx)
NL (1) NL8901018A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5450080A (en) * 1992-04-22 1995-09-12 Samsung Semiconductor, Inc. Keyboard encoding
US5541989A (en) * 1994-10-24 1996-07-30 United Microelectronics Corp. Method and apparatus for detecting added keyboard functions
US6104320A (en) * 1998-01-23 2000-08-15 Holtek Semiconductor Inc. Input detection circuit for a matrix keyboard
US7562019B2 (en) * 2004-01-08 2009-07-14 Voice Signal Technologies, Inc. Automated testing of voice recognition software

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061886A (en) * 1975-09-29 1977-12-06 Mostek Corporation Dual tone multiple frequency generator
CH625072A5 (xx) * 1978-03-08 1981-08-31 Landis & Gyr Ag
FR2447089A1 (fr) * 1979-01-17 1980-08-14 Serras Paulet Edouard Clavier de commande a touches et interrupteurs mecaniques
US4277780A (en) * 1980-02-15 1981-07-07 Key Tronic Corporation Scan-controlled keyboard
US4495485A (en) * 1980-12-12 1985-01-22 General Electric Company Touch control arrangement for data entry
JPS57159328A (en) * 1981-03-27 1982-10-01 Fujitsu Ltd Keyboard discriminating system
US4467140A (en) * 1981-05-01 1984-08-21 Masco Corporation Of Indiana Microprocessor-based cordless telephone system
JPS58181139A (ja) * 1982-04-16 1983-10-22 Tokyo Electric Co Ltd 電子式タイプライタのキ−ボ−ド入力制御装置
JPS5965348A (ja) * 1982-10-06 1984-04-13 Toupure Kk キヤパシテイブキ−ボ−ド
US4667181A (en) * 1983-07-15 1987-05-19 Honeywell Inc. Keyboard data input assembly
US4686880A (en) * 1984-04-18 1987-08-18 Forte Music, Inc. Digital interface for acoustic and electrically amplified pianos
US4725816A (en) * 1984-12-10 1988-02-16 John Fluke Mfg. Co., Inc. Matrix keyboard encoder circuit
FR2575305B1 (fr) * 1984-12-20 1987-02-13 Peugeot Dispositif de commande par touches
US4651133A (en) * 1984-12-24 1987-03-17 At&T Technologies, Inc. Method and apparatus for capacitive keyboard scanning
DE3544153A1 (de) * 1985-12-13 1987-06-19 Siemens Ag Schaltungsanordnung zum abfragen von tasten einer tastatur
FR2603718B1 (fr) * 1986-09-04 1991-10-11 Alexanian Serge Clavier a gestion de touches

Also Published As

Publication number Publication date
HK63096A (en) 1996-04-19
DE69014970D1 (de) 1995-01-26
DE69014970T2 (de) 1995-06-29
JPH02296442A (ja) 1990-12-07
KR900017336A (ko) 1990-11-16
EP0395141A1 (en) 1990-10-31
EP0395141B1 (en) 1994-12-14
KR0149861B1 (ko) 1999-05-15
JP2840610B2 (ja) 1998-12-24
US5101429A (en) 1992-03-31

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed