DK268175A - - Google Patents
Info
- Publication number
- DK268175A DK268175A DK268175A DK268175A DK268175A DK 268175 A DK268175 A DK 268175A DK 268175 A DK268175 A DK 268175A DK 268175 A DK268175 A DK 268175A DK 268175 A DK268175 A DK 268175A
- Authority
- DK
- Denmark
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
- H05K1/162—Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
- H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/0239—Signal transmission by AC coupling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0286—Programmable, customizable or modifiable circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09672—Superposed layout, i.e. in different planes
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Push-Button Switches (AREA)
- Combinations Of Printed Boards (AREA)
- Structure Of Printed Boards (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
- Input From Keyboards Or The Like (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US47968374 US3921167A (en) | 1974-06-14 | 1974-06-14 | Capacitive circuitboard |
US47968374 | 1974-06-14 |
Publications (3)
Publication Number | Publication Date |
---|---|
DK268175A true DK268175A (de) | 1975-12-15 |
DK142718B DK142718B (da) | 1980-12-29 |
DK142718C DK142718C (de) | 1981-08-31 |
Family
ID=23904984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK268175AA DK142718B (da) | 1974-06-14 | 1975-06-13 | Kapacitivt koblingsorgan til selektiv ind- og udkobling af kapacitive koblingsforbindelser, navnlig til tangentborde. |
Country Status (17)
Country | Link |
---|---|
US (1) | US3921167A (de) |
JP (1) | JPS5630574B2 (de) |
AR (1) | AR203341A1 (de) |
BE (1) | BE829203A (de) |
BR (1) | BR7503747A (de) |
CA (1) | CA1030662A (de) |
CH (1) | CH584425A5 (de) |
CS (1) | CS210653B2 (de) |
DE (1) | DE2524437C3 (de) |
DK (1) | DK142718B (de) |
ES (1) | ES438448A1 (de) |
FR (1) | FR2280295A1 (de) |
GB (1) | GB1473976A (de) |
IT (1) | IT1037483B (de) |
NL (1) | NL181390C (de) |
SE (1) | SE402397B (de) |
YU (1) | YU147375A (de) |
Families Citing this family (50)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1582640A (en) * | 1976-10-18 | 1981-01-14 | Alphameric Keyboards Ltd | Keyboards for electronic circuits |
NL184138C (nl) * | 1977-07-30 | 1989-04-17 | Ti Corporate Services | Tiptoetsschakelaar. |
US4186392A (en) * | 1978-07-28 | 1980-01-29 | Burroughs Corporation | Touch panel and operating system |
US4379287A (en) * | 1978-08-08 | 1983-04-05 | Robertshaw Controls Company | Capacitive switch and panel |
US4233522A (en) * | 1978-10-30 | 1980-11-11 | General Electric Company | Capacitive touch switch array |
US4290052A (en) * | 1979-10-26 | 1981-09-15 | General Electric Company | Capacitive touch entry apparatus having high degree of personal safety |
US4413252A (en) * | 1980-01-23 | 1983-11-01 | Robertshaw Controls Company | Capacitive switch and panel |
US4400758A (en) * | 1981-06-29 | 1983-08-23 | W. H. Brady Co. | Capacitance switch arrangement |
FR2500714B1 (fr) * | 1981-02-25 | 1985-08-23 | Illinois Tool Works | Clavier a commutateurs capacitifs a touches |
US4359720A (en) * | 1981-04-29 | 1982-11-16 | Honeywell Inc. | Environmentally sealed variable capacitance apparatus |
US4394643A (en) * | 1981-04-29 | 1983-07-19 | Whirlpool Corporation | Capacitive touch panel control |
US4529967A (en) * | 1982-07-15 | 1985-07-16 | Gifft Thomas H | Non contacting inductive keyboard |
GB8408847D0 (en) * | 1984-04-05 | 1984-05-16 | Ti Group Services Ltd | Electrical switches |
US4775574A (en) * | 1986-04-14 | 1988-10-04 | Shin Etsu Polymer Co., Ltd. | Covering member of keyboard and a base plate therefor |
CH677988A5 (de) * | 1986-07-30 | 1991-07-15 | Actron Entwicklungs Ag | |
JPS63131416A (ja) * | 1986-11-20 | 1988-06-03 | ブラザー工業株式会社 | 印刷回路基板 |
US5466892A (en) * | 1993-02-03 | 1995-11-14 | Zycon Corporation | Circuit boards including capacitive coupling for signal transmission and methods of use and manufacture |
US6478976B1 (en) | 1998-12-30 | 2002-11-12 | Stmicroelectronics, Inc. | Apparatus and method for contacting a conductive layer |
US6346739B1 (en) | 1998-12-30 | 2002-02-12 | Stmicroelectronics, Inc. | Static charge dissipation pads for sensors |
US6440814B1 (en) | 1998-12-30 | 2002-08-27 | Stmicroelectronics, Inc. | Electrostatic discharge protection for sensors |
US6686546B2 (en) | 1998-12-30 | 2004-02-03 | Stmicroelectronics, Inc. | Static charge dissipation for an active circuit surface |
US6330145B1 (en) | 1998-12-30 | 2001-12-11 | Stmicroelectronics, Inc. | Apparatus and method for contacting a sensor conductive layer |
US6326227B1 (en) | 1998-12-30 | 2001-12-04 | Stmicroelectronics, Inc. | Topographical electrostatic protection grid for sensors |
US6177871B1 (en) * | 1999-07-28 | 2001-01-23 | Westvaco Corporation | RF-EAS tag with resonance frequency tuning |
US6999009B2 (en) * | 2001-08-31 | 2006-02-14 | Logitech Europe S.A. | Sensing keys for keyboard |
US7038553B2 (en) * | 2002-10-03 | 2006-05-02 | International Business Machines Corporation | Scalable computer system having surface-mounted capacitive couplers for intercommunication |
US8144125B2 (en) | 2006-03-30 | 2012-03-27 | Cypress Semiconductor Corporation | Apparatus and method for reducing average scan rate to detect a conductive object on a sensing device |
US8040142B1 (en) | 2006-03-31 | 2011-10-18 | Cypress Semiconductor Corporation | Touch detection techniques for capacitive touch sense systems |
US8068097B2 (en) * | 2006-06-27 | 2011-11-29 | Cypress Semiconductor Corporation | Apparatus for detecting conductive material of a pad layer of a sensing device |
US8547114B2 (en) | 2006-11-14 | 2013-10-01 | Cypress Semiconductor Corporation | Capacitance to code converter with sigma-delta modulator |
US8144126B2 (en) | 2007-05-07 | 2012-03-27 | Cypress Semiconductor Corporation | Reducing sleep current in a capacitance sensing system |
US9500686B1 (en) | 2007-06-29 | 2016-11-22 | Cypress Semiconductor Corporation | Capacitance measurement system and methods |
US8570053B1 (en) | 2007-07-03 | 2013-10-29 | Cypress Semiconductor Corporation | Capacitive field sensor with sigma-delta modulator |
US8169238B1 (en) | 2007-07-03 | 2012-05-01 | Cypress Semiconductor Corporation | Capacitance to frequency converter |
US8525798B2 (en) | 2008-01-28 | 2013-09-03 | Cypress Semiconductor Corporation | Touch sensing |
US8319505B1 (en) | 2008-10-24 | 2012-11-27 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US8358142B2 (en) | 2008-02-27 | 2013-01-22 | Cypress Semiconductor Corporation | Methods and circuits for measuring mutual and self capacitance |
US9104273B1 (en) | 2008-02-29 | 2015-08-11 | Cypress Semiconductor Corporation | Multi-touch sensing method |
US8159467B2 (en) * | 2008-08-21 | 2012-04-17 | Wacom Co. Ltd. | Meshed touchscreen pattern |
US8711105B2 (en) * | 2008-08-21 | 2014-04-29 | Wacom Co., Ltd. | Touchscreen with extended conductive pattern |
US8321174B1 (en) | 2008-09-26 | 2012-11-27 | Cypress Semiconductor Corporation | System and method to measure capacitance of capacitive sensor array |
US8711121B2 (en) * | 2008-12-12 | 2014-04-29 | Wacom Co., Ltd. | Architecture and method for multi-aspect touchscreen scanning |
US9069405B2 (en) | 2009-07-28 | 2015-06-30 | Cypress Semiconductor Corporation | Dynamic mode switching for fast touch response |
US8735755B2 (en) | 2011-03-07 | 2014-05-27 | Synaptics Incorporated | Capacitive keyswitch technologies |
US20150340176A1 (en) * | 2012-04-12 | 2015-11-26 | Chang-Lung Wu | Keyboard having touch mode and character mode and method for operating the same |
CN103839722B (zh) * | 2012-11-23 | 2016-07-13 | 致伸科技股份有限公司 | 发光键盘 |
CN103839717A (zh) * | 2012-11-23 | 2014-06-04 | 致伸科技股份有限公司 | 发光键盘 |
GB2501570B (en) * | 2012-12-18 | 2014-04-16 | Novalia Ltd | Capacitive touch device |
TWI459425B (zh) * | 2012-12-19 | 2014-11-01 | Primax Electronics Ltd | 發光鍵盤 |
US9219478B2 (en) | 2013-05-15 | 2015-12-22 | Hui-Hu Liang | Circuit switch for keyboard |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3419697A (en) * | 1967-01-05 | 1968-12-31 | Ikor Inc | Push button utilizing transmitting and receiving means coacting with an apertured shield to provide a capacitive coupling |
US3492440A (en) * | 1967-05-25 | 1970-01-27 | Bell Telephone Labor Inc | Direct station selection telephone set employing proximity type selector switches |
JPS5632839B1 (de) * | 1971-03-11 | 1981-07-30 | ||
SE358801B (de) * | 1971-10-13 | 1973-08-06 | Ericsson Telefon Ab L M | |
US3821491A (en) * | 1972-05-15 | 1974-06-28 | Amperex Electronic Corp | Microphone construction |
US3850279A (en) * | 1972-12-26 | 1974-11-26 | Ibm | Print point positioning control for a character-by-character printer |
-
1974
- 1974-06-14 US US47968374 patent/US3921167A/en not_active Expired - Lifetime
-
1975
- 1975-04-21 IT IT2256475A patent/IT1037483B/it active
- 1975-04-23 CA CA225,800A patent/CA1030662A/en not_active Expired
- 1975-05-06 FR FR7515089A patent/FR2280295A1/fr active Granted
- 1975-05-16 JP JP5751075A patent/JPS5630574B2/ja not_active Expired
- 1975-05-16 BE BE156466A patent/BE829203A/xx not_active IP Right Cessation
- 1975-05-28 SE SE7506085A patent/SE402397B/xx not_active IP Right Cessation
- 1975-05-29 CH CH689775A patent/CH584425A5/xx not_active IP Right Cessation
- 1975-06-03 DE DE2524437A patent/DE2524437C3/de not_active Expired
- 1975-06-05 NL NL7506648A patent/NL181390C/xx not_active IP Right Cessation
- 1975-06-06 YU YU147375A patent/YU147375A/xx unknown
- 1975-06-11 ES ES438448A patent/ES438448A1/es not_active Expired
- 1975-06-12 CS CS754158A patent/CS210653B2/cs unknown
- 1975-06-13 DK DK268175AA patent/DK142718B/da not_active IP Right Cessation
- 1975-06-13 GB GB2533975A patent/GB1473976A/en not_active Expired
- 1975-06-13 BR BR7504811D patent/BR7503747A/pt unknown
- 1975-06-13 AR AR25920075A patent/AR203341A1/es active
Also Published As
Publication number | Publication date |
---|---|
BE829203A (fr) | 1975-09-15 |
DE2524437C3 (de) | 1978-03-23 |
BR7503747A (pt) | 1976-07-06 |
NL181390C (nl) | 1987-08-03 |
IT1037483B (it) | 1979-11-10 |
CA1030662A (en) | 1978-05-02 |
NL181390B (nl) | 1987-03-02 |
US3921167A (en) | 1975-11-18 |
DE2524437A1 (de) | 1976-01-02 |
YU147375A (en) | 1982-05-31 |
DK142718B (da) | 1980-12-29 |
SE402397B (sv) | 1978-06-26 |
AR203341A1 (es) | 1975-08-29 |
JPS5630574B2 (de) | 1981-07-15 |
NL7506648A (nl) | 1975-12-16 |
FR2280295B1 (de) | 1977-04-15 |
JPS51656A (de) | 1976-01-06 |
CS210653B2 (en) | 1982-01-29 |
GB1473976A (en) | 1977-05-18 |
FR2280295A1 (fr) | 1976-02-20 |
DK142718C (de) | 1981-08-31 |
ES438448A1 (es) | 1977-02-01 |
SE7506085L (sv) | 1975-12-15 |
DE2524437B2 (de) | 1977-07-28 |
CH584425A5 (de) | 1977-01-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PBP | Patent lapsed |