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H03M11/20
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H
ELECTRICITY
H03
Electronic circuits
H03M
CODING DECODING CODE CONVERSION IN GENERAL
H03M11/00
Coding in connection with keyboards or like devices
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H03M11/20
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Patents Grants
last 30 patents
Information
Patent Grant
Key scanning method and input device implemented therewith
Patent number
12,124,638
Issue date
Oct 22, 2024
Darfon Electronics Corp.
Te Ping Hsu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for setting layout for physical keyboard by electronic devic...
Patent number
11,586,352
Issue date
Feb 21, 2023
Samsung Electronics Co., Ltd.
Jiyoon Heo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System, apparatus, and method for controlling an electronic device
Patent number
11,296,721
Issue date
Apr 5, 2022
AAEON Electronics, Inc.
Bernard C. Yang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Key scanning method, scan method for key scan circuit, and input de...
Patent number
11,290,126
Issue date
Mar 29, 2022
Darfon Electronics Corp.
Xi Sheng Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard scanning circuit and control method thereof
Patent number
11,112,877
Issue date
Sep 7, 2021
Chicony Electronics Co., Ltd.
Chien-Tsung Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for scanning keyboard circuit
Patent number
11,009,967
Issue date
May 18, 2021
Realtek Semiconductor Corporation
Shi-Wei Zheng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard device
Patent number
10,671,183
Issue date
Jun 2, 2020
Topre Corporation
Takatoshi Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Amending circuit of correcting bouncing misjudgment of a keyswitch
Patent number
10,659,077
Issue date
May 19, 2020
PixArt Imaging Inc.
Tsung-Fa Wang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Touch keypad with key scanning
Patent number
10,505,564
Issue date
Dec 10, 2019
Texas Instruments Incorporated
Dongtai Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard scanning circuit, keyboard and scanning method thereof
Patent number
10,148,286
Issue date
Dec 4, 2018
Lite-On Electronics (Guangzhou) Limited
Chien-Chih Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Keyboard device
Patent number
10,073,539
Issue date
Sep 11, 2018
Darfon Electronics Corp.
Chien-Hsin Lee
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Touch control keyboard
Patent number
9,997,309
Issue date
Jun 12, 2018
Bing-Yang Yao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Capacitive keyboard
Patent number
9,979,392
Issue date
May 22, 2018
TOPRE CORPORATION
Shigeki Minezaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for determining active input elements of an input arrangemen...
Patent number
9,876,510
Issue date
Jan 23, 2018
Christoph Heldeis
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Methods and apparatus for efficient illumination of individual keys...
Patent number
9,755,664
Issue date
Sep 5, 2017
EchoStar Technologies LLC
Jeremy Mickelsen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Electronic apparatus and method for detecting status of keys thereof
Patent number
9,684,383
Issue date
Jun 20, 2017
ITE Tech. Inc.
Ching-Min Hou
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Input device providing control information to host device
Patent number
9,581,986
Issue date
Feb 28, 2017
Nuvoton Technology Corporation
Keng Hao Hsu
G05 - CONTROLLING REGULATING
Information
Patent Grant
Matrix key input interface
Patent number
9,513,325
Issue date
Dec 6, 2016
FANUC CORPORATION
Kouhei Yoshida
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and device for managing a key matrix, corresponding computer...
Patent number
9,372,547
Issue date
Jun 21, 2016
INGENICO GROUP
Mohammed Bellahcene
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Sample and hold capacitance to digital converter
Patent number
9,019,229
Issue date
Apr 28, 2015
STMicroelectronics Asia Pacific PTE Ltd.
Yannick Guedon
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Ultra-low power wakeup circuit device
Patent number
8,988,254
Issue date
Mar 24, 2015
Generalplus Technology Inc.
Tung-Tsai Liao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus for performing key control with reduced key matrix pin count
Patent number
8,963,696
Issue date
Feb 24, 2015
MediaTek Inc.
Tzu-Hung Wang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Apparatus and scanning method for key input apparatus
Patent number
8,963,745
Issue date
Feb 24, 2015
SONIX Technology Co., Ltd.
Hsin-Lun Chen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Capacitive touch sensors
Patent number
8,937,611
Issue date
Jan 20, 2015
Atmel Corporation
Esat Yilmaz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method of setting specific scan codes for manual input device
Patent number
8,842,025
Issue date
Sep 23, 2014
VIA Technologies, Inc.
Yeh Cho
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Membrane keyboard scan circuit, scan method and keyboard having the...
Patent number
8,780,048
Issue date
Jul 15, 2014
Beijing Sigmachip Co., Ltd
Zhi-Qian Li
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method for detecting and processing key scan codes of computer keyb...
Patent number
8,760,321
Issue date
Jun 24, 2014
Getac Technology Corporation
Chai-Chang Chiu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard definition updating method and computer system
Patent number
8,762,979
Issue date
Jun 24, 2014
Wistron Corporation
Ming-Chun Kao
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Capacitive touch sensors
Patent number
8,610,009
Issue date
Dec 17, 2013
Atmel Corporation
Esat Yilmaz
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Keyboard device and method of identifying a key operation
Patent number
8,564,460
Issue date
Oct 22, 2013
Ricoh Company, Ltd.
Keisuke Takahashi
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
KEY SCANNING METHOD AND INPUT DEVICE IMPLEMENTED THEREWITH
Publication number
20220171472
Publication date
Jun 2, 2022
Darfon Electronics Corp.
TE PING HSU
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEY SCANNING METHOD, SCAN METHOD FOR KEY SCAN CIRCUIT, AND INPUT DE...
Publication number
20210266012
Publication date
Aug 26, 2021
Darfon Electronics Corp.
Xi Sheng CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYBOARD SCANNING CIRCUIT AND CONTROL METHOD THEREOF
Publication number
20200310554
Publication date
Oct 1, 2020
CHICONY ELECTRONICS CO., LTD.
Chien-Tsung Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYBOARD APPARATUS
Publication number
20190074848
Publication date
Mar 7, 2019
LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
Kuo-Fu Kuo
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
AMENDING CIRCUIT OF CORRECTING BOUNCING MISJUDGMENT OF A KEYSWITCH
Publication number
20180212620
Publication date
Jul 26, 2018
PixArt Imaging Inc.
Tsung-Fa Wang
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
CAPACITIVE KEYBOARD
Publication number
20170346488
Publication date
Nov 30, 2017
TOPRE CORPORATION
Shigeki Minezaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CAPACITIVE KEYBOARD
Publication number
20170338816
Publication date
Nov 23, 2017
TOPRE CORPORATION
Shigeki Minezaki
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
TOUCH CONTROL KEYBOARD
Publication number
20170316899
Publication date
Nov 2, 2017
BING-YANG YAO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRONIC APPARATUS AND METHOD FOR DETECTING STATUS OF KEYS THEREOF
Publication number
20170168588
Publication date
Jun 15, 2017
ITE TECH. INC.
Ching-Min Hou
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SWITCH-SCANNING CIRCUIT AND METHOD THEREOF
Publication number
20170141792
Publication date
May 18, 2017
Nuvoton Technology Corporation
Joseph CHOU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SCAN METHOD FOR KEYBOARDS
Publication number
20170099065
Publication date
Apr 6, 2017
MSI COMPUTER(SHENZHEN) CO., LTD.
Yu-Szu LEE
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUS AND METHOD FOR CRYPTOGRAPHIC OPERATIONS USING ENHANCED KN...
Publication number
20170063393
Publication date
Mar 2, 2017
UniVaultage LLC
Barry K. Shelton
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYBOARD SCANNING CIRCUIT, KEYBOARD AND SCANNING METHOD THEREOF
Publication number
20170054450
Publication date
Feb 23, 2017
LITE-ON ELECTRONICS (GUANGZHOU) LIMITED
CHIEN-CHIH CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Keyboard Assembly
Publication number
20160380628
Publication date
Dec 29, 2016
SUNREX TECHNOLOGY CORP.
Hsi-Chang Chu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Touch-on-Metal Keypad with N-1 Key Scan Averaging
Publication number
20160226521
Publication date
Aug 4, 2016
TEXAS INSTRUMENTS INCORPORATED
Dongtai Liu
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR DETERMINING ACTIVE INPUT ELEMENTS OF AN INPUT ARRANGEMEN...
Publication number
20160013806
Publication date
Jan 14, 2016
Christoph HELDEIS
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD AND DEVICE FOR MANAGING A KEY MATRIX, CORRESPONDING COMPUTER...
Publication number
20140285365
Publication date
Sep 25, 2014
Mohammed Bellahcene
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Capacitive Touch Sensors
Publication number
20140085263
Publication date
Mar 27, 2014
Esat Yilmaz
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ULTRA-LOW POWER WAKEUP CIRCUIT DEVICE
Publication number
20130293399
Publication date
Nov 7, 2013
Generalplus Technology Inc.
Tung-Tsai LIAO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
METHOD FOR KEYBOARD SCANNING AND A KEYBOARD APPLYING THE SAME
Publication number
20130257633
Publication date
Oct 3, 2013
LITE-ON TECHNOLOGY CORP.
CHIEN-CHIH CHEN
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYPAD MODULE AND DETECTING METHOD FOR KEYPAD MATRIX
Publication number
20130249714
Publication date
Sep 26, 2013
Chia-Chu HO
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
APPARATUS FOR PERFORMING KEY CONTROL WITH REDUCED KEY MATRIX PIN COUNT
Publication number
20130162452
Publication date
Jun 27, 2013
Tzu-Hung Wang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
APPARATUS AND SCANNING METHOD FOR KEY INPUT APPARATUS
Publication number
20130076541
Publication date
Mar 28, 2013
Hsin-Lun CHEN
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
MEMBRANE KEYBOARD SCAN CIRCUIT, SCAN METHOD AND KEYBOARD HAVING THE...
Publication number
20120262376
Publication date
Oct 18, 2012
BEIJING SIGMACHIP CO., LTD.
Zhi-Qian LI
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Touch Position Detection Method and Apparatus
Publication number
20120229412
Publication date
Sep 13, 2012
Nokia Corporation
Juha Harri-Pekka Nurmi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHODS AND APPARATUS FOR EFFICIENT ILLUMINATION OF INDIVIDUAL KEYS...
Publication number
20120162085
Publication date
Jun 28, 2012
EchoStar Technologies L.L.C.
Jeremy Mickelsen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SCANNING CIRCUIT AND METHOD FOR KEYBOARD
Publication number
20110316725
Publication date
Dec 29, 2011
HON HAI Precision Industry CO., LTD.
YAN XU
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
LOW POWER SENSING VIA RESISTIVE SENSOR MATRIX
Publication number
20110309956
Publication date
Dec 22, 2011
Microsoft Corporation
Jonathan Westhues
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
SAMPLE AND HOLD CAPACITANCE TO DIGITAL CONVERTER
Publication number
20110234528
Publication date
Sep 29, 2011
STMicroelectronics Asia Pacific Pte. Ltd.
Yannick Guedon
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
KEYBOARD DEFINITION UPDATING METHOD AND COMPUTER SYSTEM
Publication number
20110239206
Publication date
Sep 29, 2011
Ming-Chun Kao
G06 - COMPUTING CALCULATING COUNTING