发明名称 |
Phonograph needle |
摘要 |
|
申请公布号 |
US2452304(A) |
申请公布日期 |
1948.10.26 |
申请号 |
US19470769476 |
申请日期 |
1947.08.19 |
申请人 |
HUTTER WILLIAM H |
发明人 |
HUTTER WILLIAM H. |
分类号 |
H04R1/18 |
主分类号 |
H04R1/18 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
您可能感兴趣的专利
ELECTRONIC EQUIPMENT
BATTERY PACK
ROUTE INFORMATION DELIVERY SYSTEM
NONAQUEOUS ELECTROLYTE SECONDARY BATTERY
FOLDABLE PORTABLE TELEPHONE SET
BROADCASTING RECEIVER AND PROGRAM DISPLAY METHOD
ANTENNA SWITCH CIRCUIT AND TUNER UNIT HAVING THE SAME
IMAGE READER AND IMAGE READING METHOD
SEMICONDUCTOR DEVICE
SEMICONDUCTOR CIRCUIT BOARD
DATA PROCESSING METHOD AND DEVICE, AND RECORDING MEDIUM
INFORMATION REPRODUCING DEVICE, SIGNAL PROCESSOR AND INFORMATION REPRODUCING METHOD
SEMICONDUCTOR DEVICE, ITS REFRESHING METHOD, MEMORY SYSTEM, AND ELECTRONIC EQUIPMENT
TRANSMISSION LINE BY-PASS METHOD, SUBSCRIBER'S LINE ACCOMMODATION APPARATUS, AND RELAY TRANSMISSION LINE ACCOMMODATION APPARATUS
DELAY CIRCUIT
MECHANICAL SECURITY SYSTEM
MAGNETISM QUANTITY DETECTING DEVICE
PORTABLE INFORMATION TRANSMISSION TERMINAL DEVICE
COMMUNICATION SYSTEM, EXECUTING APPARATUS FOR COMPUTER PROGRAM, RECORDING MEDIUM, THE PROGRAM, PROVIDING METHOD FOR BROADCAST PROGRAM AND EDITING METHOD THEREFOR
SECONDARY BATTERY DEVICE