EP0148437A1 - Capuchon pour touche de clavier monté dans un boîtier - Google Patents
Capuchon pour touche de clavier monté dans un boîtier Download PDFInfo
- Publication number
- EP0148437A1 EP0148437A1 EP84115189A EP84115189A EP0148437A1 EP 0148437 A1 EP0148437 A1 EP 0148437A1 EP 84115189 A EP84115189 A EP 84115189A EP 84115189 A EP84115189 A EP 84115189A EP 0148437 A1 EP0148437 A1 EP 0148437A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- key cap
- key
- synthetic resin
- cap according
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims abstract description 3
- 238000005516 engineering process Methods 0.000 claims abstract description 3
- 229920003002 synthetic resin Polymers 0.000 abstract 6
- 239000000057 synthetic resin Substances 0.000 abstract 6
- 238000009434 installation Methods 0.000 abstract 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
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
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- 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
- H01H13/023—Light-emitting indicators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/052—Phosphorescence
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/036—Return force
- H01H2221/044—Elastic part on actuator or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/044—Injection moulding
- H01H2229/046—Multi-colour or double shot injection moulding
Definitions
- the invention relates to a key cap for a keyboard arranged in a device of the electrical communication technology, in particular the operating device of a telephone device, which is inserted into a housing opening of the device and can be pressed via a pin against a keyboard arranged inside the housing to actuate it.
- dialing devices which have so far mostly been provided with a rotating dial.
- dialing devices there are also devices of this type, and in particular car telephone devices, which have operating devices with dialing keyboards, by means of which the dialing process is made considerably easier.
- the keyboards are provided with numbers or symbols according to their function, most of which are printed.
- the operating device of a telephone device can either be a separate device with an associated handset, as is generally the case, or a handset in which the dialing and display units are integrated. In both cases keyboards are required, which are actuated by means of key caps inserted into the housing openings.
- the invention has for its object to provide a stable and reliable guide for such key caps in the housing and to ensure good recognition or readability in different lighting conditions for numbers and symbols.
- the key cap which can be inserted into the housing opening with lateral play and has a correspondingly configured pin on at least one side running parallel to the housing opening has a prestressed spring element which is inclined at an acute angle to the housing and which is on is supported on a stop surface in the housing and rests on the inside wall of the housing with the upper side of the laterally projecting contact surfaces formed by the spring elements and enlarged in diameter compared to the housing opening.
- the key cap 1 consists of a downwardly open, half-shell-shaped plastic part of rectangular shape, on the longitudinal and transverse sides of which spring elements 2 are attached, preferably molded on. These spring elements 2 are fastened to the corners of the key cap 1 and run at an acute angle against the horizontal plane downwards, that is to say towards the housing 6 in which they are inserted.
- the key cap 1 is stepped at the top, the middle, raised part 3 being provided with a recess corresponding to the number or symbol with which the key cap 1 is to be identified.
- the number or the symbol exist made of a translucent plastic.
- a light-collecting, fluorescent-colored plastic is used, which combines the advantageous properties that it is easily legible both during the day and sufficiently illuminated from inside and thus legible at night.
- Fig. 5 shows the key cap 1 described above in the installed state.
- Several keycaps are expediently arranged in a grid and provided with the symbols corresponding to their function.
- the associated buttons 8 are mounted in the same grid, for example on a printed circuit board 10 and soldered in the example shown via solder connections 9.
- the key cap 1 is inserted into the opening of a housing 6.
- a lateral play is provided to prevent the key cap 1 from jamming.
- the spring elements 2 are supported on a stop surface which is formed by a light guide 7 which has a correspondingly designed bore for receiving the pin 5 of the key cap 1.
- the light guide 7 serves to supply the light to the numbers or symbols in the key cap 1.
- the key cap 1 is pressed with its pin 5 onto the key 8 and is reset by the four spring elements 2 attached laterally to the key cap 1 in the exemplary embodiment.
- the four spring elements 2 attached laterally to the key cap 1 in the exemplary embodiment.
- the integrated spring elements simplify assembly considerably. The elimination of a separate spring not only simplifies assembly, but also reduces costs.
Landscapes
- Push-Button Switches (AREA)
- Telephone Set Structure (AREA)
- Input From Keyboards Or The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Casings For Electric Apparatus (AREA)
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84115189T ATE32802T1 (de) | 1983-12-22 | 1984-12-12 | Tastenkappe fuer eine in einem gehaeuse angeordnete tastatur. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3346485 | 1983-12-22 | ||
DE19833346485 DE3346485A1 (de) | 1983-12-22 | 1983-12-22 | Tastenkappe fuer eine in einem gehaeuse angeordnete tastatur |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0148437A1 true EP0148437A1 (fr) | 1985-07-17 |
EP0148437B1 EP0148437B1 (fr) | 1988-03-02 |
Family
ID=6217749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84115189A Expired EP0148437B1 (fr) | 1983-12-22 | 1984-12-12 | Capuchon pour touche de clavier monté dans un boîtier |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0148437B1 (fr) |
AT (1) | ATE32802T1 (fr) |
DE (2) | DE3346485A1 (fr) |
DK (1) | DK160381C (fr) |
ES (1) | ES295022Y (fr) |
FI (1) | FI80360C (fr) |
NO (1) | NO165317C (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196633A2 (fr) * | 1985-04-04 | 1986-10-08 | Siemens Aktiengesellschaft | Capot de touche pour un clavier disposé dans un boîtier |
EP0231007A2 (fr) * | 1986-01-31 | 1987-08-05 | Siemens Aktiengesellschaft | Bouton-poussoir |
GB2366761A (en) * | 2000-09-19 | 2002-03-20 | Nec Corp | Light diffusion unit for mobile telephone wherein a light guide is disposed between a substrate and a light diffuser |
US6587332B2 (en) | 2000-06-30 | 2003-07-01 | Nokia Mobile Phones, Ltd. | Structure of a housing for an electronic device |
EP1788600A2 (fr) * | 2005-11-18 | 2007-05-23 | Polymatech Co., Ltd. | Support souple des touches d'un clavier |
CN105438089A (zh) * | 2014-09-18 | 2016-03-30 | 福特全球技术公司 | 具有减少的读出缺陷的塑料部件 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2768030B2 (ja) * | 1991-02-21 | 1998-06-25 | 日本電気株式会社 | フラットキーボードスイッチ |
FR2683183B1 (fr) * | 1991-10-31 | 1995-02-03 | Sextant Avionique | Procede pour former un motif peint sur un objet realise dans un materiau non adherent. |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415335A1 (fr) * | 1978-01-23 | 1979-08-17 | Graniou Louis Electr | Touche de commande opto-electronique, a signalisation lumineuse incorporee |
FR2438294A2 (fr) * | 1978-10-05 | 1980-04-30 | Graniou Louis Electr | Touche de commande opto-electronique a signalisation lumineuse incorporee |
DE3112328A1 (de) * | 1981-03-28 | 1982-10-07 | Robert Bosch Gmbh, 7000 Stuttgart | Druckschalter mit einer kappenfoermigen drucktaste |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3144643A (en) * | 1960-12-10 | 1964-08-11 | Gasaccumulator Svenska Ab | Push-button illuminating device |
DE1665975B2 (de) * | 1967-06-23 | 1972-05-04 | SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim | Elektrischer schalter mit beleuchtung, insbesondere fuer kraftfahrzeuge |
US3982081A (en) * | 1974-09-04 | 1976-09-21 | Amp Incorporated | Keyboard assembly with overlapped flexible printed circuit cable switch |
JPS5168726A (fr) * | 1974-12-12 | 1976-06-14 | Hosiden Electronics Co | |
FR2395546A2 (fr) * | 1977-06-22 | 1979-01-19 | Serras Paulet Edouard | Clavier de commande alphanumerique a touches enfoncables pour machine electrique ou electronique |
US4124879A (en) * | 1977-05-20 | 1978-11-07 | Motorola, Inc. | Illumination apparatus for use in an illuminatable pushbutton keyset and the like |
DE2817362A1 (de) * | 1978-04-20 | 1979-10-31 | Siemens Ag | Waehltastatur |
DE3039732A1 (de) * | 1980-10-21 | 1982-04-29 | Siemens Ag | Waehltastatur fuer fernsprechgeraete |
US4365120A (en) * | 1981-04-13 | 1982-12-21 | Kb Denver, Inc. | Illuminated keyboard |
-
1983
- 1983-12-22 DE DE19833346485 patent/DE3346485A1/de not_active Withdrawn
-
1984
- 1984-12-12 DE DE8484115189T patent/DE3469636D1/de not_active Expired
- 1984-12-12 AT AT84115189T patent/ATE32802T1/de not_active IP Right Cessation
- 1984-12-12 EP EP84115189A patent/EP0148437B1/fr not_active Expired
- 1984-12-18 NO NO845074A patent/NO165317C/no unknown
- 1984-12-20 DK DK613484A patent/DK160381C/da active
- 1984-12-21 ES ES1984295022U patent/ES295022Y/es not_active Expired
- 1984-12-21 FI FI845093A patent/FI80360C/fi not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2415335A1 (fr) * | 1978-01-23 | 1979-08-17 | Graniou Louis Electr | Touche de commande opto-electronique, a signalisation lumineuse incorporee |
FR2438294A2 (fr) * | 1978-10-05 | 1980-04-30 | Graniou Louis Electr | Touche de commande opto-electronique a signalisation lumineuse incorporee |
DE3112328A1 (de) * | 1981-03-28 | 1982-10-07 | Robert Bosch Gmbh, 7000 Stuttgart | Druckschalter mit einer kappenfoermigen drucktaste |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0196633A2 (fr) * | 1985-04-04 | 1986-10-08 | Siemens Aktiengesellschaft | Capot de touche pour un clavier disposé dans un boîtier |
EP0196633A3 (en) * | 1985-04-04 | 1989-03-15 | Siemens Aktiengesellschaft Berlin Und Munchen | Key cap for a keyboard disposed in a housing |
EP0231007A2 (fr) * | 1986-01-31 | 1987-08-05 | Siemens Aktiengesellschaft | Bouton-poussoir |
EP0231007A3 (fr) * | 1986-01-31 | 1989-11-15 | Siemens Aktiengesellschaft | Bouton-poussoir |
US6587332B2 (en) | 2000-06-30 | 2003-07-01 | Nokia Mobile Phones, Ltd. | Structure of a housing for an electronic device |
GB2366761A (en) * | 2000-09-19 | 2002-03-20 | Nec Corp | Light diffusion unit for mobile telephone wherein a light guide is disposed between a substrate and a light diffuser |
GB2366761B (en) * | 2000-09-19 | 2003-01-22 | Nec Corp | Light Diffusion unit for keys of a mobile telephone keypad |
EP1788600A2 (fr) * | 2005-11-18 | 2007-05-23 | Polymatech Co., Ltd. | Support souple des touches d'un clavier |
EP1788600A3 (fr) * | 2005-11-18 | 2009-02-25 | Polymatech Co., Ltd. | Support souple des touches d'un clavier |
CN105438089A (zh) * | 2014-09-18 | 2016-03-30 | 福特全球技术公司 | 具有减少的读出缺陷的塑料部件 |
Also Published As
Publication number | Publication date |
---|---|
DE3346485A1 (de) | 1985-07-04 |
DK613484A (da) | 1985-06-23 |
FI80360B (fi) | 1990-01-31 |
DK613484D0 (da) | 1984-12-20 |
ES295022U (es) | 1986-11-01 |
EP0148437B1 (fr) | 1988-03-02 |
FI845093L (fi) | 1985-06-23 |
FI845093A0 (fi) | 1984-12-21 |
ATE32802T1 (de) | 1988-03-15 |
DK160381B (da) | 1991-03-04 |
FI80360C (fi) | 1990-05-10 |
NO165317B (no) | 1990-10-15 |
ES295022Y (es) | 1987-07-16 |
DK160381C (da) | 1991-08-12 |
NO845074L (no) | 1985-06-24 |
DE3469636D1 (en) | 1988-04-07 |
NO165317C (no) | 1991-01-23 |
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Legal Events
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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