diff --git a/fhem/CHANGED b/fhem/CHANGED
index 590ac9d31..123c8a6cb 100644
--- a/fhem/CHANGED
+++ b/fhem/CHANGED
@@ -486,3 +486,6 @@
   - bugfix:  deleting at definition in the at command
   - bugfix:  deleting a notify/at/watchdog definition in a notify/at/watchdog
   - feature: devspec <attr>=<value>. E.g. set room=kitchen off; list disabled=
+  - feature: Common Module calling for CUL/FHZ/CM11
+  - feature: Store CUL sensitivity info
+  - feature: avoid the "unknown/help me" message for unloaded devices
diff --git a/fhem/FHEM/00_CUL.pm b/fhem/FHEM/00_CUL.pm
index 4e00077dc..8f5d4ce11 100755
--- a/fhem/FHEM/00_CUL.pm
+++ b/fhem/FHEM/00_CUL.pm
@@ -43,6 +43,14 @@ CUL_Initialize($)
   $hash->{ReadFn}  = "CUL_Read";
   $hash->{WriteFn} = "CUL_Write";
   $hash->{Clients} = ":FS20:FHT:KS300:CUL_EM:CUL_WS:";
+  my %mc = (
+    "1:FS20"  => "^81..(04|0c)..0101a001",
+    "2:FHT"   => "^81..(04|09|0d)..(0909a001|83098301|c409c401)..",
+    "3:KS300" => "^810d04..4027a001",
+    "4:CUL_WS" => "^K.....",
+    "5:CUL_EM" => "^E0.................\$"
+  );
+  $hash->{MatchList} = \%mc;
   $hash->{ReadyFn} = "CUL_Ready";
 
 # Normal devices
@@ -574,14 +582,13 @@ CUL_Read($)
     } elsif($fn eq "E") {                            # CUL_EM / Native
       ;
     } else {
-      #Log GetLogLevel($name,4), "CUL: unknown message $dmsg";
+      Log GetLogLevel($name,4), "CUL: unknown message $dmsg";
       goto NEXTMSG;
     }
-
     $hash->{RSSI} = $rssi;
-    my @found = Dispatch($hash, $dmsg);
-    if($rssi) {
-      foreach my $d (@found) {
+    my $foundp = Dispatch($hash, $dmsg);
+    if($foundp && $rssi) {
+      foreach my $d (@{$foundp}) {
         next if(!$defs{$d});
         $defs{$d}{RSSI} = $rssi;
       }
diff --git a/fhem/FHEM/00_FHZ.pm b/fhem/FHEM/00_FHZ.pm
index 554ca65e3..834b52d77 100755
--- a/fhem/FHEM/00_FHZ.pm
+++ b/fhem/FHEM/00_FHZ.pm
@@ -29,7 +29,6 @@ my %sets = (
   "initFS20" => "04 c90196",
   "FHTcode"  => "04 c901839e0101",
 
-  "activefor"=> "xx xx",
   "raw"      => "xx xx",
   "initfull" => "xx xx",
   "reopen"   => "xx xx",
@@ -39,7 +38,6 @@ my %setnrparam = (
   "initHMS"  => 0,
   "initFS20" => 0,
   "FHTcode"  => 1,
-  "activefor"=> 1,
   "raw"      => 2,
   "initfull" => 0,
   "reopen"   => 0,
@@ -56,11 +54,17 @@ FHZ_Initialize($)
 {
   my ($hash) = @_;
 
-
 # Provider
   $hash->{ReadFn}  = "FHZ_Read";
   $hash->{WriteFn} = "FHZ_Write";
   $hash->{Clients} = ":FHZ:FS20:FHT:HMS:KS300:";
+  my %mc = (
+    "1:FS20"  => "^81..(04|0c)..0101a001",
+    "2:FHT"   => "^81..(04|09|0d)..(0909a001|83098301|c409c401)..",
+    "3:HMS"   => "^810e04....(1|5|9).a001",
+    "4:KS300" => "^810d04..4027a001"
+  );
+  $hash->{MatchList} = \%mc;
   $hash->{ReadyFn} = "FHZ_Ready";
 
 # Consumer
@@ -77,6 +81,7 @@ FHZ_Initialize($)
                    "showtime:1,0 model:fhz1000,fhz1300 loglevel:0,1,2,3,4,5,6 ".
                    "fhtsoftbuffer:1,0";
 }
+
 #####################################
 sub
 FHZ_Ready($)
@@ -137,18 +142,7 @@ FHZ_Set($@)
   my $name = $hash->{NAME};
   Log GetLogLevel($name,2), "FHZ set $v";
 
-  if($a[1] eq "activefor") {
-
-    my $dhash = $defs{$a[2]};
-    return "device $a[2] unknown" if(!defined($dhash));
-
-    return "Cannot handle $dhash->{TYPE} devices"
-    		if($modules{FHZ}->{Clients} !~ m/:$dhash->{TYPE}:/);
-
-    $dhash->{IODev} = $hash;
-    return undef;
-
-  } elsif($a[1] eq "initfull") {
+  if($a[1] eq "initfull") {
 
     my @init;
     push(@init, "get $name init2");
@@ -674,9 +668,7 @@ FHZ_Read($)
 	$fhzdata = substr($fhzdata, 2);
 	next;
       }
-      my @found = Dispatch($hash, $dmsg);
-
-NEXTMSG:
+      Dispatch($hash, $dmsg);
       $fhzdata = substr($fhzdata, $len);
 
     } else {
diff --git a/fhem/TODO b/fhem/TODO
new file mode 100644
index 000000000..6d09af22c
--- /dev/null
+++ b/fhem/TODO
@@ -0,0 +1,11 @@
+FHEM:
+- Common buffer for parallel use of two devices: CUL+FHZ, (WS300/EM1000PC?)
+- holiday database
+- fhem-to-fhem module
+- Remote serial device via IP
+- CUR built-in MENU creation support
+
+Webpgm2
+- plot data from multiple files in a single picture
+- setting the dummy state via dropdown is not possible
+- SVG gimmicks for the plot
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 6e3c2e03d..8cd279ecc 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -45,7 +45,6 @@ sub AnalyzeInput($);
 sub AssignIoPort($);
 sub CallFn(@);
 sub CommandChain($$);
-sub CollectAttrNames();
 sub DoClose($);
 sub Dispatch($$);
 sub FmtDateTime($);
@@ -136,7 +135,6 @@ use vars qw(%cmds);             # Global command name hash. To be expanded
 
 use vars qw($reread_active);
 
-my %attrnames;                  # hash of attrnames needed by devspec2array
 my $server;			# Server socket
 my $currlogfile;		# logfile, without wildcards
 my $logopened = 0;              # logfile opened or using stdout
@@ -151,7 +149,7 @@ my %intAt;			# Internal at timer hash.
 my $nextat;                     # Time when next timer will be triggered.
 my $intAtCnt=0;
 my $AttrList = "room comment";
-my $cvsid = '$Id: fhem.pl,v 1.67 2009-01-17 10:01:56 rudolfkoenig Exp $';
+my $cvsid = '$Id: fhem.pl,v 1.68 2009-01-27 08:01:34 rudolfkoenig Exp $';
 my $namedef =
   "where <name> is either:\n" .
   "- a single device name\n" .
@@ -219,7 +217,6 @@ $modules{_internal_}{AttrFn} = "GlobalAttr";
 );
 
 
-
 ###################################################
 # Start the program
 if(int(@ARGV) != 1 && int(@ARGV) != 2) {
@@ -276,7 +273,6 @@ if($pfn) {
   print PID $$ . "\n";
   close(PID);
 }
-CollectAttrNames();
 $init_done = 1;
 
 Log 0, "Server started (version $attr{global}{version}, pid $$)";
@@ -614,7 +610,7 @@ devspec2array($)
           push @ret, $l
             if($defs{$l}{$lattr} && (!$re || $defs{$l}{$lattr} =~ m/$re/));
         }
-      } elsif($attrnames{$lattr}) {
+      } else {
         foreach my $l (sort keys %attr) {
           push @ret, $l
             if($attr{$l}{$lattr} && (!$re || $attr{$l}{$lattr} =~ m/$re/));
@@ -1140,7 +1136,6 @@ CommandDeleteAttr($$)
     }
 
   }
-  CollectAttrNames();
 
   return join("\n", @rets);
 }
@@ -1449,7 +1444,6 @@ CommandAttr($$)
     $defs{$sdev}{IODev} = $defs{$a[2]} if($a[1] eq "IODev");
 
   }
-  CollectAttrNames() if($init_done);
   return join("\n", @rets);
 }
 
@@ -1469,7 +1463,6 @@ CommandDefaultAttr($$)
   } else {
     $defaultattr{$a[0]} = $a[1];
   }
-  CollectAttrNames() if($init_done);
   return undef;
 }
 
@@ -2017,11 +2010,23 @@ Dispatch($$)
     last if(int(@found));
   }
   if(!int(@found)) {
+    my $h = $iohash->{MatchList};
+    if(defined($h)) {
+      foreach my $m (sort keys %{$h}) {
+        if($dmsg =~ m/$h->{$m}/) {
+          my (undef, $mname) = split(":", $m);
+          Log GetLogLevel($name,3),
+                "$name: Unknown $mname device detected, " .
+                        "define one to get detailed information.";
+          return undef;
+        }
+      }
+    }
     Log GetLogLevel($name,3), "$name: Unknown code $dmsg, help me!";
-    return "";
+    return undef;
   }
 
-  return if($found[0] eq "");	# Special return: Do not notify
+  return undef if($found[0] eq "");	# Special return: Do not notify
 
   foreach my $found (@found) {
     if($found =~ m/^(UNDEFINED) ([^ ]*) (.*)$/) {
@@ -2031,24 +2036,11 @@ Dispatch($$)
       $defs{$d}{TYPE} = $last_module;
       DoTrigger($d, "$2 $3");
       CommandDelete(undef, $d);                 # Remove the device
-      goto NEXTMSG;
+      return undef;
     } else {
       DoTrigger($found, undef);
     }
   }
 
-  return @found;
-}
-
-###########################
-# Build the hash used by devspec2array
-sub
-CollectAttrNames()
-{
-  %attrnames = ();
-  foreach my $d (keys %attr) {
-    foreach my $a (keys %{ $attr{$d} }) {
-      $attrnames{$a} = 1;
-    }
-  }
+  return \@found;
 }