首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
MEMBRANE KEYBOARD WITH RESILIENT FOAM KEYS
摘要
<p>An improved membrane keyboard is provided wherein the keys are spatially separated and formed from resilient foam. Specifically, this membrane keyboard provides the user with a sensation of movement to indicate key activation.</p>
申请公布号
CA1172726(A)
申请公布日期
1984.08.14
申请号
CA19810381764
申请日期
1981.07.15
申请人
ROGERS CORPORATION
发明人
WOELFEL, ROBERT T.
分类号
G06F3/02;B41J5/08;H01H13/702;H01H13/712;(IPC1-7):G06F3/023
主分类号
G06F3/02
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ATTACHEMENT FOR EMERY JEWELERY-SMOOTHING TOOL
PROCESS FOR OBTAINING SIMVASTATIN AND ITS DERIVATIVES
4-carboxyimidazolderivater som angiotensin-II antagonister og deres terapeutiske anvendelse
Fremgangsmåde til fremstilling af et silicapulver
ANCHORING SHEET AND ANCHORING SHEET MODULE
METHOD OF MONITORING COMMUNICATION, COMMUNICATION METHOD, TERMINAL EQUIPMENT, RELAY APPARATUS AND COMMUNICATION SYSTEM
ELECTROHYDRAULIC CONTROL VALVE IN PARTICULAR FOR SELF-ADVANCING ROOF SUPPORTS
Frittflytende pulverblanding, fremgangsmåte for fremstilling og anvendelse derav
Isolatorer for höyspenning
Metalhydridceller med forbedret levetid og ladningsfastholdelse
Bringing sacks of potatoes onto pallets or other supports, by retracting a reciprocating belt device, with simultaneous manipulation of a belt, so that the sack stands still relative to the supporting device and leaves in on the free end
Closure cap system for packaging with spout, e.g. drinks carton, has spout or cap provided with flexible ring shaped lip
DISCRETE DATA BLOCK-TYPE ENCODING METHOD
MULTIPLE-POLE ELECTRIC EQUIPMENT TERMINAL PROTECTOR
ELECTRIC SWITCH IN PARTICULAR DISCONNECTING ONE
SYSTEM FOR AND METHOD OF MEASURING THERMAL RESISTANCE OF INTEGRATED PULSE GENERATOR CONTROLLERS
METHOD OF AND APPARATUS FO RTESTING A TWO-STAGE BLOW HEAD
PNEUMATIC SHOCK ABSORBER
HIGH-STRENGTH STEELS OF EXCELLENT TOUGHNESS AT CRYOGENIC TEMPERATURES
METHOD OF OBTAINING HIGH-PURITY INHIBITORS OF HMG-COA REDUCTASE