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Folding portable telephone set 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04M-001/00
출원번호 US-0756908 (1991-09-09)
우선권정보 JP-0235663 (1990-09-07)
발명자 / 주소
  • Takagi Hisamitsu (Inagi JPX)
출원인 / 주소
  • Fujitsu Limited (Kawasaki JPX 03)
인용정보 피인용 횟수 : 80  인용 특허 : 0

초록 ▼

A folding portable telephone set includes a plurality of sequentially articulated flat plate segments. A second flat segment is connected at one edge to an edge of a first flat segment provided with a transmitter and a switching unit by a hinge joint, a third flat segment provided with a receiver is

대표청구항 ▼

A folding portable telephone set comprising: a first flat plate segment provided with a microphone and switching means; a second flat plate segment internally provided with a transmission-reception circuit, pivotally connected at a first edge to an edge of the first flat plate segment; a third flat

이 특허를 인용한 특허 (80)

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