IT948558B - - Google Patents
Info
- Publication number
- IT948558B IT948558B IT48268/72A IT4826872A IT948558B IT 948558 B IT948558 B IT 948558B IT 48268/72 A IT48268/72 A IT 48268/72A IT 4826872 A IT4826872 A IT 4826872A IT 948558 B IT948558 B IT 948558B
- Authority
- IT
- Italy
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
-
- 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
- H01H2219/054—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
- H01H2219/0621—Optical fiber light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
- H01H9/182—Illumination of the symbols or distinguishing marks
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S116/00—Signals and indicators
- Y10S116/28—Push button structure
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S200/00—Electricity: circuit makers and breakers
- Y10S200/47—Light guides for switch indicators, e.g. prisms, reflectors or cables
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB754171A GB1366953A (en) | 1971-03-20 | 1971-03-20 | Prisms |
Publications (1)
Publication Number | Publication Date |
---|---|
IT948558B true IT948558B (it) | 1973-06-11 |
Family
ID=9835092
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT48268/72A IT948558B (it) | 1971-03-20 | 1972-02-11 |
Country Status (7)
Country | Link |
---|---|
US (1) | US3780248A (it) |
JP (1) | JPS5219969B1 (it) |
AU (1) | AU464407B2 (it) |
ES (1) | ES178055Y (it) |
FR (1) | FR2130161B1 (it) |
GB (1) | GB1366953A (it) |
IT (1) | IT948558B (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BR7203240D0 (pt) * | 1972-05-06 | 1974-07-11 | Lucas Electrical Co Ltd | Interruptores eletricos |
GB1524373A (en) * | 1975-02-11 | 1978-09-13 | Lucas Electrical Co Ltd | Electrical switch |
US4218775A (en) * | 1978-06-22 | 1980-08-19 | Motorola, Inc. | Pushbutton radio tuner with illuminated pushbutton display |
JPS6215939Y2 (it) * | 1979-01-10 | 1987-04-22 | ||
DE3019021A1 (de) * | 1980-05-19 | 1981-11-26 | Vdo Adolf Schindling Ag, 6000 Frankfurt | Beleuchtungseinrichtung fuer einen drucktastenschalter |
JPS5874735U (ja) * | 1981-11-17 | 1983-05-20 | 株式会社東海理化電機製作所 | 摺動スイツチの切換位置表示装置 |
JPS59139510A (ja) * | 1983-01-28 | 1984-08-10 | 寺崎電気産業株式会社 | 電気的スイツチの表示装置 |
JPS62101315U (it) * | 1985-12-13 | 1987-06-27 | ||
CA1295630C (en) * | 1986-04-30 | 1992-02-11 | Yoshiya Takahashi | Light emitting push button switch for an electronic apparatus |
JPH0436506Y2 (it) * | 1986-04-30 | 1992-08-28 | ||
US4927036A (en) * | 1987-02-02 | 1990-05-22 | Diehl Pojedinec Edward P | Container with tamper indicator using piped light |
JPH0163021U (it) * | 1987-10-19 | 1989-04-24 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB631236A (en) * | 1944-10-20 | 1949-10-31 | British Thomson Houston Co Ltd | Improvements in and relating to push button switch assemblies |
CH329894A (de) * | 1955-04-21 | 1958-05-15 | Siemens Ag Albis | Leuchttaste |
US3163739A (en) * | 1961-09-13 | 1964-12-29 | Gen Electric | Switch with selectively lighted pushbutton actuators |
US3341711A (en) * | 1963-10-14 | 1967-09-12 | Holophane Co Inc | Photoelectrically controlled luminaire with a prism having a mounting portion |
US3636915A (en) * | 1968-07-25 | 1972-01-25 | Oak Electro Netics Corp | Rotary prism display |
US3653136A (en) * | 1968-07-25 | 1972-04-04 | Oak Electro Netics Corp | Rocker arm prism display |
US3518386A (en) * | 1968-08-27 | 1970-06-30 | Raytheon Co | Illuminated switch means |
-
1971
- 1971-03-20 GB GB754171A patent/GB1366953A/en not_active Expired
-
1972
- 1972-02-01 AU AU38528/72A patent/AU464407B2/en not_active Expired
- 1972-02-11 IT IT48268/72A patent/IT948558B/it active
- 1972-02-17 ES ES1972178055U patent/ES178055Y/es not_active Expired
- 1972-02-23 US US00228642A patent/US3780248A/en not_active Expired - Lifetime
- 1972-03-13 FR FR7208604A patent/FR2130161B1/fr not_active Expired
- 1972-03-17 JP JP47026706A patent/JPS5219969B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2130161A1 (it) | 1972-11-03 |
FR2130161B1 (it) | 1977-04-01 |
ES178055U (es) | 1972-10-16 |
AU464407B2 (en) | 1975-08-07 |
AU3852872A (en) | 1973-08-02 |
DE2213299B2 (de) | 1976-01-02 |
JPS5219969B1 (it) | 1977-05-31 |
JPS4737438A (it) | 1972-12-01 |
GB1366953A (en) | 1974-09-18 |
ES178055Y (es) | 1973-05-01 |
US3780248A (en) | 1973-12-18 |
DE2213299A1 (de) | 1972-10-05 |