Radio transmitting and receiving device

Claim 2

Radio transmitting and receiving device according to Claim 1, characterized in that the rod (2) has ferromagnetic sections (4, 6) in the region of its two ends and a fixed magnet arrangement (12, 35), which attracts the rod (2) in order to secure it in its respective end position via in each case one of the ferromagnetic sections (4, 6), is present in the housing (8).

Claim 3

Radio transmitting and receiving device according to Claim 1, characterized in that the rod (2) has a ferromagnetic section in the region of its lower end and two fixed magnet arrangements are present in the housing (8) in a distance along the length of the rod (2).

Claim 4

Radio transmitting and receiving device according to Claim 1, characterized in that the rod (2) has magnet arrangements in the region of its two ends and a fixed ferromagnetic section is present in the housing to be attracted by one of the magnet arrangements, respective.

Claim 5

Radio transmitting and receiving device according to Claim 1, characterized in that the rod (2) has a magnet arrangement in the region of its lower end and two fixed ferromagnetic sections are present in the housing (8) in a distance along the length of the rod (2).

Claim 6

Radio transmitting and receiving device according to one of the Claims 1 to 5, characterized in that the rod (2) is electrically connected to a transmitting and receiving circuit via a magnet arrangement (12, 35)/ferromagnetic section.

Claim 7

Radio transmitting and receiving device according to Claim 6, characterized by a spring contact (18, 39) which acts on the magnet arrangement (12, 35)/ferromagnetic section in order to make an electrical connection to the transmitting and receiving circuit.

Claim 8

Radio transmitting and receiving device according to Claims 1 to 7, characterized in that the rod (2) has end stops (4, 34) at its two ends.

Claim 9

Radio transmitting and receiving device according to Claim 2 or 3 and 8, characterized in that at least the housing-side end stop (4) is constructed as a ferromagnetic section or as part of one.

Claim 10

Radio transmitting and receiving device according to Claim 9, characterized in that the end stop (34) located at the free end of the rod (2) is also formed from ferromagnetic material.

Claim 11

Radio transmitting and receiving device according to one of Claims 2, 3 and 6 to 10, characterized in that a magnet arrangement (12) is attached to the inside of the housing (8) in the region of the opening (10) in the housing.

Claim 12

Radio transmitting and receiving device according to Claim 11, characterized in that the magnet arrangement (12) comprises a magnet (13) with two pole plates (14, 15) which are each arranged in a plane lying perpendicular to the centre line of the opening (10) in the housing.

Claim 13

Radio transmitting and receiving device according to Claim 12, characterized in that the pole plates (14, 15) are recessed concavely on their side facing the opening (10) in the housing.

Claim 14

Radio transmitting and receiving device according to one of Claims 1 to 13, characterized in that an elastic sleeve (11) is fastened into the opening (10) in the housing and receives the rod (2) in a sliding fashion.

Claim 15

Radio transmitting and receiving device according to Claims 2 and 14, characterized in that the rod (2) has at its housing-side end a ferromagnetic end stop (4) which, when the rod (2) is completely extended, strikes against the sleeve (11) and comes to rest opposite the magnet arrangement (12), and in that it also has at its free end a ferromagnetic section (6) which is of such a length that when the rod (2) is completely retracted the said ferromagnetic section (6) projects through the sleeve (11) and partly also lies opposite the magnet arrangement (12).

Claim 16

Radio transmitting and receiving device according to Claim 15, characterized in that the rod (2) has a section in its centre region with a smaller diameter than the ferromagnetic sections (4, 6) and a guide section (5).

Claim 17

Radio transmitting and receiving device according to one of Claims 2, 3 and 6 to 11, characterized in that a magnet arrangement (12) receives the rod (2) in a sliding fashion and is held in a sleeve (11) which is elastically pressed into the opening (10) in the housing.

Claim 18

Radio transmitting and receiving device according to Claim 17, characterized in that the magnet arrangement (35) is held in the sleeve (11) by means of a groove/tongue connection (36, 37) which runs in the circumferential direction between the magnet arrangement (35) and sleeve (11).

Claim 19

Radio transmitting and receiving device according to one of Claims 14 to 18, characterized in that the sleeve (11) has a plurality of axial slots (20, 21, 33) which start from different end sides of the sleeve (11).

Claim 20

Radio transmitting and receiving device according to one of Claims 14 to 19, characterized in that the sleeve (11) has a wall region (22) which projects outwards in an elastic fashion and is bounded by two axial slots (19, 23) which start from the rear end side of the sleeve (11).

Claim 21

Radio transmitting and receiving device according to Claim 20, characterized in that the wall region of the opening (10) in the housing has an axial groove (25) for receiving the outwardly projecting wall region (22) of the sleeve (11), the axial groove (25) being closed at the outer end side of the opening (10) in the housing.

Claim 22

Radio transmitting and receiving device according to Claim 21, characterized in that the housing (8) has a channel (26) which, when the sleeve (11) is inserted, runs essentially perpendicularly to the wall region (22), which projects outwards in an elastic fashion, of the sleeve (11).

Claim 23

Radio transmitting and receiving device according to Claim 21, characterized in that the side walls (25a, 25b) of the axial groove (25) are bevelled in the circumferential direction of the opening (10) in the housing.

Claim 24

Radio transmitting and receiving device according to one of Claims 14 to 23, characterized in that the sleeve (11) has a collar (24) which comes to rest on the outside of the housing (8).

Claim 25

Radio transmitting and receiving device according to one of Claims 2, 3 and 6 to 11, characterized in that the magnet arrangement (35) receives the rod (2) in a sliding fashion and is held in a sleeve (11) which is screwed into the opening (10) in the housing.

Claim 26

Radio transmitting and receiving device according to one of Claims 1 to 25, characterized in that the magnet arrangement (12, 35) is a permanent magnet arrangement.

Claim 27

Radio transmitting and receiving device according to one of Claims 1 to 26, characterized in that it is constructed as a hand-held telephone.