ES2081901T3 - Tecla con indicacion luminosa para aparatos telefonicos. - Google Patents

Tecla con indicacion luminosa para aparatos telefonicos.

Info

Publication number
ES2081901T3
ES2081901T3 ES90122765T ES90122765T ES2081901T3 ES 2081901 T3 ES2081901 T3 ES 2081901T3 ES 90122765 T ES90122765 T ES 90122765T ES 90122765 T ES90122765 T ES 90122765T ES 2081901 T3 ES2081901 T3 ES 2081901T3
Authority
ES
Spain
Prior art keywords
key
light
light indication
circuit board
printed circuit
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 - Fee Related
Application number
ES90122765T
Other languages
English (en)
Inventor
Klaus Dipl-Ing Krosen
Franz Dipl-Ing Blochl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of ES2081901T3 publication Critical patent/ES2081901T3/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04M1/22—Illumination; Arrangements for improving the visibility of characters on dials
    • 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
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/002—Legends replaceable; adaptable
    • H01H2219/014—LED
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/04—Attachments; Connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/06—Reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2231/00—Applications
    • H01H2231/022—Telephone handset

Abstract

APARATO TELEFONICO (7) CON TECLAS (1) PROVISTAS CON UNA INDICACION LUMINOSA, QUE INCIDEN POR MEDIO DE FUELLES ELEVADOS QUE CONTIENEN CONTACTOS DE UNA ESTERA DE GOMA (3) SOBRE CONTACTOS DE CONEXION DE UNA PLACA DE CIRCUITOS IMPRESOS (4). DEBE CREARSE UNA TECLA (1) CON INDICACION LUMINOSA , QUE SE PUEDA FABRICAR A BAJO COSTO SIN MUCHO GASTO DE TRABAJO EN POCO ESPACIO. CON ESTE FIN, DENTRO DE UNA ESCOTADURA (9) DE LA ESTERA DE GOMA (3) ESTA FIJADO UN DIODO LUMINOSO (5) SOBRE LA PLACA DE CIRCUITOS IMPRESOS (4), POSEYENDO LA ZONA DE LA TECLA (1) DIRIGIDA DIRECTAMENTE HACIA EL DIODO LUMINOSO (5) UNA CAVIDAD (8) CONFIGURADA EN PARTE EN FORMA DE PRISMA, A TRAVES DE CUYOS CONTORNOS INTERIORES (10, 11, 12) Y LOS CONTORNOS EXTERIORES (13) DE LA TECLA (1) SE DESVIA EL HAZ DE LUZ QUE PARTE DEL DIODO LUMINOSO DIRECTAMENTE HACIA UNA CURVATURA (15) DE LA SUPERFICIE DE TECLAS (16) DIRIGIDA HACIA EL USUARIO (17).
ES90122765T 1990-01-25 1990-11-28 Tecla con indicacion luminosa para aparatos telefonicos. Expired - Fee Related ES2081901T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE9000828U DE9000828U1 (es) 1990-01-25 1990-01-25

Publications (1)

Publication Number Publication Date
ES2081901T3 true ES2081901T3 (es) 1996-03-16

Family

ID=6850353

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90122765T Expired - Fee Related ES2081901T3 (es) 1990-01-25 1990-11-28 Tecla con indicacion luminosa para aparatos telefonicos.

Country Status (3)

Country Link
EP (1) EP0438670B1 (es)
DE (2) DE9000828U1 (es)
ES (1) ES2081901T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5952731A (en) * 1998-02-02 1999-09-14 Lear Automotive Dearborn, Inc. Membrane keyless entry switch for vehicles
DE19815014C2 (de) * 1998-04-03 2002-02-14 Bosch Gmbh Robert Telekommunikationsendgerät
KR101243669B1 (ko) 2006-10-18 2013-03-25 엘지전자 주식회사 휴대 단말기
ITTO20080115A1 (it) * 2008-02-14 2009-08-15 Synaps Technology S R L Call point ad azionamento manuale per sistemi antincendio
CN106783329A (zh) * 2015-11-25 2017-05-31 致伸科技股份有限公司 发光键盘

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2825833B2 (de) * 1978-06-13 1980-08-07 Standard Elektrik Lorenz Ag, 7000 Stuttgart Mittels einer Leuchtdiode beleuchteter Schalter- oder Tastenknopf
US4491692A (en) * 1982-11-05 1985-01-01 Lee Shan S Light-emitting device mounted under keybuttons of a keyboard
GB2140210B (en) * 1983-03-24 1987-05-13 Nitsuko Ltd Key switch devices with indicator lamp means
DE8436320U1 (de) * 1984-12-12 1986-04-10 Philips Patentverwaltung Gmbh, 2000 Hamburg Beleuchteter Tastenknopf
CA1295630C (en) * 1986-04-30 1992-02-11 Yoshiya Takahashi Light emitting push button switch for an electronic apparatus
JPS6486419A (en) * 1987-09-29 1989-03-31 Oki Electric Ind Co Ltd Condenser of visible indicator
JPH0828148B2 (ja) * 1987-11-19 1996-03-21 富士通株式会社 キーボードの構造
JPH01159917A (ja) * 1987-12-16 1989-06-22 Matsushita Electric Ind Co Ltd 照明付キーボード・スイッチ
NL8801274A (nl) * 1988-05-18 1989-12-18 Philips Nv Gerichte optische signalering.
JPH03112020A (ja) * 1989-09-27 1991-05-13 Hitachi Terekomu Technol:Kk 発光機能を有するラバー式キースイッチ

Also Published As

Publication number Publication date
EP0438670A3 (en) 1992-10-14
DE9000828U1 (es) 1990-03-29
DE59010090D1 (de) 1996-03-07
EP0438670A2 (de) 1991-07-31
EP0438670B1 (de) 1996-01-24

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