Title:
コードレス電話装置
Document Type and Number:
Japanese Patent JP7121333
Kind Code:
B2
Abstract:
To provide a cordless telephone device capable of making effective utilization of a field used for a telephone call without any idle slot in a radio bandwidth and even during a telephone call and transmitting a control signal between a master unit and a slave unit without delay.SOLUTION: In a master unit BS1, an insertion section detection section 471 determines whether or not an audio signal is required to be transmitted as a call voice under a call capture state. When the insertion section detection section 471 determines an audio signal is not required to be transmitted as a speech voice, a control signal insertion section 472 inserts a control signal to be transmitted to a slave unit in a corresponding section of an audio signal to be transmitted to the slave unit using a second field before transmission.SELECTED DRAWING: Figure 2
Inventors:
Yuta Tawaki
Takashi Watanabe
Daichi Kawai
Sho Aonahata
Takashi Watanabe
Daichi Kawai
Sho Aonahata
Application Number:
JP2018066434A
Publication Date:
August 18, 2022
Filing Date:
March 30, 2018
Export Citation:
Assignee:
Saxa Co., Ltd.
International Classes:
H04M1/725
Domestic Patent References:
| JP2015177239A | ||||
| JP8126047A | ||||
| JP8223109A | ||||
| JP2015061296A | ||||
| JP2014090350A |
Foreign References:
| US6259710 |
Attorney, Agent or Firm:
Masami Sato
Maruyama Tadashi
Maruyama Tadashi