A system for utilization of a first plurality of channels by a second plurality of transmitters is also disclosed.

A group of microtip electron emitters (30) is placed over the high resistance layer (32) to connect in an electrical series circuit the colum conductor (22), the high resistance layer (32), and the group of electron emitters (30).

A transmitter or a group of transmitters from the transmitter stack are powered sequentially resulting in an output from the detector stack.

A lighting device comprising a first group of solid state light emitters, an element containing luminescent material and a second group of solid state light emitters spaced from the element.

The light sources (48) may each comprise a group of differently-colored light emitters.

Individual emitter or emitter groups within the diode laser system can be powered independently.

Said device also comprises at least one additional holder (3) bearing the group of light emitters (2) which are placed thereon and connected to the corresponding light emitter control unit (4).

An anode plate (60) is attached with intermediate space (70) between the anode plate (60) and the microtip electron emitters (30) being evacuated.

An emergency lighting device includes a first group of solid state emitters configured to emit light of a first color.

The transmitter unit (4) comprises a single transmitter (E) or a group of transmitters and the receiver unit (5) comprises respectively a group of receivers (r1, r2) or a single receiver.

A mixture of light emitted from the second group of emitters and the second group of lumiphors is within an area defined by (0.32,0.40), (0.36,0.38), (0.30,0.26), and (0.25,0.29).

A circuit for a lighting device comprises a sub-circuit which comprises a series current regulator and a group of solid state light emitters.

The far end crosstalk (FEXT) generated by a group of near-end transceivers and interfering with the far-end transceivers of that same group is cancelled.

The first filter is configured to determine a subset of the number of transmitters that generally correspond to a predetermined geographic criteria, where the subset are configured to transmit a message.

The permission message indicates permission to a group of transceivers to transmit an access request message indicating a request to transmit the traffic to the communication node (101, 120).