IPIQ

ELECTRICITY

H04

ELECTRIC COMMUNICATION TECHNIQUE

H04M

TELEPHONIC COMMUNICATION

1/00

Substation equipment, e.g. for use by subscribers

H04M1/02

Constructional features of telephone sets

H04M1/0202

Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

H04M1/0206

Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings

H04M1/0241

using relative motion of the body parts to change the operational status of the telephone set, e.g. switching on/off, answering incoming call

H04M1/0243

using the relative angle between housings