ES236232Y - IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES. - Google Patents

IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES.

Info

Publication number
ES236232Y
ES236232Y ES1978236232U ES236232U ES236232Y ES 236232 Y ES236232 Y ES 236232Y ES 1978236232 U ES1978236232 U ES 1978236232U ES 236232 U ES236232 U ES 236232U ES 236232 Y ES236232 Y ES 236232Y
Authority
ES
Spain
Prior art keywords
devices
push buttons
keyboard
telephone
telephone devices
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.)
Expired
Application number
ES1978236232U
Other languages
Spanish (es)
Other versions
ES236232U (en
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 filed Critical
Priority to ES1978236232U priority Critical patent/ES236232Y/en
Publication of ES236232U publication Critical patent/ES236232U/en
Application granted granted Critical
Publication of ES236232Y publication Critical patent/ES236232Y/en
Priority to DE19792919282 priority patent/DE2919282A1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
ES1978236232U 1978-05-23 1978-05-23 IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES. Expired ES236232Y (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ES1978236232U ES236232Y (en) 1978-05-23 1978-05-23 IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES.
DE19792919282 DE2919282A1 (en) 1978-05-23 1979-05-12 Push button for keyboard in telephone set - has helical spring between hollow head and hollow operating cap to keep operating pressure and speed constant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1978236232U ES236232Y (en) 1978-05-23 1978-05-23 IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES.

Publications (2)

Publication Number Publication Date
ES236232U ES236232U (en) 1978-07-01
ES236232Y true ES236232Y (en) 1978-11-16

Family

ID=8396838

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1978236232U Expired ES236232Y (en) 1978-05-23 1978-05-23 IMPROVEMENTS IN THE PUSH BUTTONS FOR KEYBOARD DEVICES, ESPECIALLY FOR TELEPHONE DEVICES.

Country Status (2)

Country Link
DE (1) DE2919282A1 (en)
ES (1) ES236232Y (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016013308A1 (en) 2016-11-10 2018-05-17 SCI Data GbR (vertretungsberechtigter Gesellschafter: Daniel Linder, 91611 Lehrberg; Patrick Linder, 91611 Lehrberg) IMPROVED MUSIC DEVICE WITH CALCULATOR

Also Published As

Publication number Publication date
DE2919282A1 (en) 1979-11-29
ES236232U (en) 1978-07-01

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Legal Events

Date Code Title Description
FD1K Utility model lapsed

Effective date: 19871021