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    • 3. 发明专利
    • TELEPHONE SET ACCESSORY
    • JPS60223370A
    • 1985-11-07
    • JP7994984
    • 1984-04-20
    • NIPPON TELEGRAPH & TELEPHONE
    • NISHINO YUTAKAKATOU KUNIHIROTANIMOTO YOSHIKIHAYASHI NOBUYUKIMIYAWAKI NOBORU
    • H04M11/06H04M1/21H04M1/65H04M1/656H04M11/00
    • PURPOSE:To attain ease of connection, talking in the connecting state and to eliminate effect of noise in the surrounding by providing a connecting terminal connected directly to a handset and a receiver terminal in a base set and a connecting directly connected to a handset cord to an accessory. CONSTITUTION:The accessory 19 is formed so that its terminals 20a-20d are connected directly to connecting terminals 2a, 2b, 2c, 2d of a transmitter and a receiver of a base set 2, terminals 21a-21d are connected directly to the handset and an operating circuit 22 is provided. In transmitting/receiving data by the accessory, the circuit 22 forms a data signal, which is transmitted to a telephone line from the 1a, 1b via the 20c, 20d, 2c, 2d and a talking circuit of a telephone set. On the other hand, in recording the content of talking, the circuit 22 consists of voice storage and reproducing means. Thus, the accessory is miniaturized and the induced noise from the surrounding is not invaded and this accessory is connected to an electronic telephone set. Since an electric signal from the handset and the base set is transmitted to a transmitter terminal in the base set and a receiver in the handset directly, the talking by using the handset is attained.
    • 6. 发明专利
    • TELEPHONE SUBSCRIBER'S EQUIPMENT WITH INFORMATION DISPLAY FUNCTION
    • JPS61157051A
    • 1986-07-16
    • JP27529884
    • 1984-12-28
    • NIPPON TELEGRAPH & TELEPHONE
    • HAYASHI NOBUYUKITAKAGAWA YUICHIROHOTTA HIDEKAZU
    • H04M1/00H04M11/00
    • PURPOSE:To attain transmission/recording, a management and operation of terminal identification information of terminal device oriented information by providing a function means storing/transmitting/receiving/coding/decoding the terminal device identification information and displaying it so as to transmit the terminal device identification information between terminal devices during talking. CONSTITUTION:When a telephone set section 1 makes dialing, a response polarity inversion signal from an incoming exchange is detected by a response detection section 2 and transmitted to a control section 3. The control section 3 reads optional terminal device identification information written in a storage section 5 by a read coding section 6, where the information undergoes coding processing. The coded signal is transmitted to a telephone line MODEM7 via a buffer memory section 8, subject to FSK modulation and transmitted to a network for analog telephone lines. The signal from a sender side passes through an incoming hybrid circuit section 10 and is subject to filter processing. That is, a band stop filter section B11 passes through a sound talking signal only, and after four wire/two wire conversion is applied through a hybrid circuit section 13 and the result is transmitted to the telephone set section 1. Further, the FSK signal is transmitted to the MODEM7 via a band pass filter 12 and demodulated and then displayed on a display section 15.
    • 9. 发明专利
    • CORDLESS TELEPHONE SET
    • JPH04185039A
    • 1992-07-01
    • JP31466490
    • 1990-11-20
    • NIPPON TELEGRAPH & TELEPHONE
    • OIKAWA HIROSHIHAYASHI NOBUYUKI
    • H01Q1/24H01Q11/08H04M1/02
    • PURPOSE:To attain the miniaturization and light weight of an incoming call only cordless telephone set by forming the shape of an antenna cylindrically, and housing a printed circuit board on which a circuit component is loaded in the inside of the antenna. CONSTITUTION:The Inside of a cordless telephone set main body 11 comprised for incoming call only is formed in such a way that the antenna 17 is comprised of a metallic member consisting of a square cylindrical part (a) and a spiral part (b), and the inside of the cylindrical part (a) is shielded uniformly. On the printed circuit board 19, a microphone 20 is arranged at a position in accordance with a microphone hole 4, and another circuit is packaged appropriately, and they are housed in the inside of the antenna 17. In such a case, a high shielding effect can be obtained compared with another position by arranging an inductance 21 for tuning so as to be located in almost the center position of the cylindrical part (a) of the antenna 17 when the board 19 is housed in the inside of the antenna 17.