Author: claimsbot

1. A method comprising:
providing an audio output signal to an output device for broadcast to a user;
receiving audio input, the audio input including user voice input provided by the user and audio content broadcast by the output device in response to receiving the audio output signal;
applying at least one predetermined calibration setting; and
filtering the audio input based on the audio output signal and the at least one predetermined calibration setting.
2. The method of claim 1, wherein said filtering includes applying data representative of the audio output signal and the at least one predetermined calibration setting to the audio input.
3. The method of claim 1, wherein said filtering includes estimating and removing the estimated broadcast audio content from the audio input based one the audio output signal and the at least one predetermined calibration setting.
4. The method of claim 3, wherein said estimating includes combining the audio output signal and the at least one predetermined calibration setting and generating a resulting waveform, said removing including applying data representative of the resulting waveform to the audio input.
5. The method of claim 4, wherein said applying includes inverting the resulting waveform and adding the inverted waveform to the audio input.
6. The method of claim 1, wherein the audio input includes environmental audio, said filtering including estimating and removing the estimated environmental audio from the audio input based on the at least one predetermined calibration setting.
7. The method of claim 1, wherein the at least one predetermined calibration setting includes a predetermined calibration delay, said filtering including time shifting at least one of the audio output signal and the audio input based on the predetermined calibration delay.
8. The method of claim 1, further comprising:
providing a calibration audio output signal to the output device for broadcast;
receiving calibration audio input, the calibration audio input including calibration audio content broadcast by the output device in response to receiving the calibration audio output signal; and
determining the at least one predetermined calibration setting based on at least one difference between the calibration audio output signal and the calibration audio input.
9. A method comprising:
providing a calibration audio output signal to an output device for broadcast;
receiving calibration audio input, the calibration audio input including calibration audio content broadcast by the output device in response to receiving the calibration audio output signal; and
determining at least one calibration setting based on at least one difference between the calibration audio output signal and the calibration audio input.
10. The method of claim 9, further comprising:
providing a subsequent audio output signal to the output device for broadcast to a user;
receiving subsequent audio input, the subsequent audio input including user voice input provided by the user and subsequent audio content broadcast by the output device in response to receiving the subsequent audio output signal; and
filtering the subsequent audio input based on the subsequent audio output signal and the at least one calibration setting.
11. The method of claim 9, wherein the at least one calibration setting is representative of at least one of a frequency, amplitude, phase, and time difference between the calibration audio output signal and the calibration audio input.
12. The method of claim 9, wherein the at least one calibration setting is representative of a propagation delay between a first time when the calibration audio output signal is provided to the output device for broadcast and a second time when the calibration audio input is received.
13. An apparatus comprising:
an output driver configured to provide an audio output signal to an output device for broadcast to a user;
an audio input interface configured to receive audio input, the audio input including user voice input provided by the user and audio content broadcast by the output device in response to receiving the audio output signal;
a library having at least one predetermined calibration setting; and
at least one processor configured to filter the audio input based on the audio output signal and the least one predetermined calibration setting.
14. The apparatus of claim 13, wherein the at least one predetermined calibration setting is representative of an estimated difference between the audio output signal and the corresponding audio content broadcast by the output device.
15. The apparatus of claim 13, wherein said at least one processor is configured to apply data representative of the audio output signal and the at least one predetermined calibration setting to the audio input.
16. The apparatus of claim 13, wherein said at least one processor is configured to filter the audio input by using the audio output signal and the at least one predetermined calibration setting to estimate and remove the estimated broadcast audio content from the audio input.
17. The apparatus of claim 16, wherein said at least one processor is configured to estimate by combining the audio output signal and the at least one predetermined calibration setting to generate a resulting waveform, said at least one processor being configured to remove the estimated broadcast audio content by applying data representative of the resulting waveform to the audio input.
18. The apparatus of claim 17, wherein said at least one processor is configured to apply data representative of the resulting waveform to the audio input by inverting the resulting waveform and adding the inverted waveform to the audio input.
19. The apparatus of claim 13, wherein the audio input includes environmental audio, said at least one processor being configured to estimate and remove the estimated environmental audio from the audio input based on the at least one predetermined calibration setting.
20. The apparatus of claim 13, wherein the at least one predetermined calibration setting includes a predetermined calibration delay.
21. The apparatus of claim 20, wherein the predetermined calibration delay is representative of an estimated propagation delay between a first time when said content processing device provides the audio output signal to the output device and a second time when said content processing device receives the audio input.
22. The apparatus of claim 20, wherein said at least one processor is configured to time shift at least one of the audio output signal and the audio input based on the predetermined calibration delay.
23. The apparatus of claim 13, wherein the at least one predetermined calibration setting includes at least one of predetermined frequency, amplitude, attenuation, phase, and time data.
24. The apparatus of claim 13, wherein the at least one calibration setting is determined in advance by:
said output driver providing a calibration audio output signal to the output device for broadcast;
said audio input interface receiving calibration audio input, the calibration audio input including calibration audio content broadcast by the output device in response to receiving the calibration audio output signal; and
said at least one processor determining the at least one predetermined calibration setting based on at least one difference between the calibration audio output signal and the calibration audio input.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A process for the hydrogenation of acetylenes and dienes in a stream containing hydrogen, methane, C2-C6 olefins and paraffins, C2-C6 acetylenes and dienes, benzene, toluene, xylenes, and other C6+ components comprising passing said stream over a hydrogenation catalyst contained in a downflow boiling point reactor having a top and a bottom wherein the reactor is operated at the boiling point of the mixture in the downflow boiling point reactor and the heat of reaction is absorbed by the boiling liquid and where a portion of the acetylenes and dienes are converted to their corresponding olefins and paraffins of the same carbon number, recovering an effluent containing liquid and vapor from the bottom of the boiling point reactor, separating the liquid and vapor in the effluent and recycling a portion of the liquid back to the top of the downflow boiling point reactor, feeding the vapor in said effluent to a C5C6 splitter where C5 and lighter material are taken as overheads and C6 and heavier material is taken as bottoms and a side draw is taken from said C5C6 splitter and fed to the top of the downflow boiling point reactor.
2. The process according to claim 1 wherein the amount of the liquid being recycled is maintained sufficient to ensure that the catalyst is fully wetted at all positions within said downflow boiling point reactor.
3. The process according to claim 1 wherein the steady state composition of the liquid flowing in said downflow boiling point reactor is controlled by the location of the draw point of said side draw along the height of said C5C6 splitter.
4. The process according to claim 3, wherein said side draw is taken from the bottom stage of said C5C6 splitter.
5. A process for the hydrogenation of acetylenes and dienes in a stream containing hydrogen, methane, C2-C6 olefins and paraffins, C2-C6 acetylenes and dienes, benzene, toluene, xylenes, and other C6+ components comprising the steps of:
(a) passing said stream over a hydrogenation catalyst contained in a downflow boiling point reactor wherein the reactor is operated at the boiling point of the mixture in the reactor and the heat of reaction is absorbed by the boiling liquid and where a portion of the acetylenes and dienes are converted to their corresponding olefins and paraffins of the same carbon number;
(b) separating the liquid and vapor contained in the effluent from said downflow boiling point reactor;
(c) returning a portion of the separated liquid to the top of said downflow boiling point reactor;
(d) maintaining the amount of the liquid being returned to ensure that the catalyst is fully wetted at all positions within said downflow boiling point reactor;
(e) feeding the vapor in said effluent to a C5C6 splitter where C5 and lighter material are taken as overheads and C6 and heavier material are taken as bottoms;
(f) taking a side draw from said C5C6 splitter and feeding said side draw to the top of said downflow boiling point reactor; and
(g) controlling the steady state composition of the liquid flowing in said downflow boiling point reactor by selecting the position of said side draw along the height of said C5C6 splitter.
6. The process according to claim 5 wherein said side draw is taken from the bottom stage of said C5C6 splitter.

1. A method for providing a reply to a dispatch call transmitted by a first radio, comprising the steps of:
(a) receiving the dispatch call at a second radio; and
(b) transmitting a preprogrammed voice message by the second radio in response to step (a).
2. A method as defined in claim 1, wherein step (b) is performed automatically.
3. A method as defined in claim 1, wherein the voice message transmitted in step (b) is selected from amongst a plurality of voice messages stored in the second radio.
4. A method as defined in claim 3, wherein the second radio stores a record of the voice message that was transmitted.
5. A method as defined in claim 4, wherein the record of the voice message transmitted is stored in a recent calls list.
6. A method as defined in claim 1, wherein the user of the second radio manually selects the preprogrammed message that is transmitted in step (b).
7. A method as defined in claim 6, wherein the preprogrammed message is transmitted once the radio user activates a Push-To-Talk (PTT) switch located in the second radio.
8. A method as defined in claim 1, wherein the preprogrammed message transmitted in step (b) is a voice message that is recorded by the user of the second radio.
9. A method as defined in claim 1, wherein the voice message transmitted in step (b) is selected from amongst a plurality of voice messages stored in the second radio and the voice message transmitted in step (b) is automatically transmitted and selected given the identification number of the first radio.
10. A radio that can transmit and receive dispatch calls, comprising:
a receiver;
a transmitter coupled to the receiver;
a memory coupled to the receiver, stored within the memory is at least one preprogrammed voice message; and
responsive to a dispatch call being received at the receiver that was transmitted by a second radio, using the transmitter to transmit the at least one preprogrammed voice message to the second radio.
11. A radio as defined in claim 10, wherein the at least one preprogrammed voice message is automatically transmitted by the transmitter upon the dispatch call being received at the receiver.
12. A radio as defined in claim 10, wherein the at least one preprogrammed voice message is transmitted after the dispatch call has been received at the receiver and after it has been manually selected.
13. A radio as defined in claim 10, wherein the radio can receive both dispatch calls and cellular calls.
14. A radio as defined in claim 13, wherein the at least one preprogrammed message is recorded by the user of the radio.
15. A radio that can receive both half-duplex dispatch and full-duplex cellular calls, the radio comprising:
a memory, stored within the memory are a plurality of preprogrammed voice messages;
a transmitter;
a receiver coupled to the transmitter and memory; and
the transmitter automatically transmits one of the plurality of preprogrammed voice messages in response to the receiver receiving a dispatch call if an automatic reply mode has been selected.
16. A radio as defined in claim 15, wherein the radio user instead of selecting the automatic reply mode places the radio in a manual response mode which allows the radio user to select from amongst the plurality of preprogrammed voice messages the message the user wants to transmit in response to receiving the dispatch call.
17. A radio as defined in claim 16, wherein instead of having one of the plurality of preprogrammed voice messages being automatically transmitted in response to receiving the dispatch call the user of the radio inactivates the automatic reply mode and can respond to the dispatch call and begin communications with the radio that sent the dispatch call.
18. A radio as defined in claim 17, wherein the radio user manually selects one of the plurality of preprogrammed voice messages and transmit the manually selected message in response to receiving the dispatch call.
19. A radio as defined in claim 15, wherein the plurality of preprogrammed voice messages are programmed by the radio user.
20. A radio as defined in claim 15, wherein the plurality of preprogrammed voice message are labeled and are selected using a menu.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An apparatus for the preferential conversion to 2-butene of a feed stream containing hydrogen and C4 compounds including 1-butene and 2-butene, comprising:
a hydroisomerization reactor configured to contain a hydroisomerization catalyst for converting at least a portion of said 1-butene is said feed stream to 2-butene, the hydroisomerization reactor having a feed stream inlet and a reactor outlet,
a first fractionation column configured to separate said hydroisomerized feed stream into a top stream comprising isobutane and isobutylene and a bottoms stream comprising 2-butene, the first fractionation column having a feed inlet, a top outlet and a bottoms outlet,
a side draw near the top of said fractionation column above the feed inlet for removing a recycle stream, and
a recycle inlet for combining said recycle stream with said feed stream upstream from said feed stream inlet.
2. The apparatus of claim 1, wherein the side draw is positioned at an elevation in said column at which the 1-butane concentration would be at a maximum if no side draw were withdrawn.
3. The apparatus of claim 1, further comprising a metathesis reactor positioned downstream from the bottoms outlet of the fractionation column.
4. The apparatus of claim 1, further including a second fractionation column positioned downstream from the hydroisomerization reactor and upstream from the first fractionation column to remove C5 andor heavier components.
5. The apparatus of claim 1, wherein the hydroisomerization reactor further includes a hydrogen inlet downstream from the feed stream inlet.
6. The apparatus of claim 5, wherein the hydroisomerization reactor further includes a supplemental hydrogen inlet downstream from the hydrogen inlet.
7. The apparatus of claim 1, wherein the side draw is positioned at the elevation in said fractionation column at which the driving force for the hydroisomerization of 1-butene to 2-butene would be at least 85% of the maximum driving force within said column if no recycle stream were withdrawn.
8. An apparatus for the preferential conversion to 2-butene of a feed stream containing hydrogen and C4 compounds including 1-butene and 2-butene, comprising:
a hydroisomerization reactor configured to contain a hydroisomerization catalyst for converting at least a portion of said 1-butene is said feed stream to 2-butene, the hydroisomerization reactor having a feed stream inlet and a reactor outlet,
a first fractionation column configured to separate said hydroisomerized feed stream into a top stream comprising isobutane and isobutylene and a bottoms stream comprising 2-butene, the first fractionation column having a feed inlet, a top outlet and a bottoms outlet,
a side draw near the top of said fractionation column above the feed inlet for removing a recycle stream, the side draw being positioned at an elevation in said column at which the 1-butane concentration would be at a maximum if no side draw were withdrawn,
a second fractionation column positioned downstream from the hydroisomerization reactor and upstream from the first fractionation column to remove C5 andor heavier components, and
a recycle inlet for combining said recycle stream with said feed stream upstream from said feed stream inlet.